1998412500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 288

約数和(自身を含む): 6971553792

約数和(自身を除く): 4973141292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 125, 138, 140, 150, 161, 175, 210, 230, 250, 276, 300, 322, 331, 345, 350, 375, 420, 460, 483, 500, 525, 575, 625, 644, 662, 690, 700, 750, 805, 875, 966, 993, 1050, 1150, 1250, 1324, 1380, 1500, 1610, 1655, 1725, 1750, 1875, 1932, 1986, 2100, 2300, 2317, 2415, 2500, 2625, 2875, 3125, 3220, 3310, 3450, 3500, 3750, 3972, 4025, 4375, 4634, 4830, 4965, 5250, 5750, 6250, 6620, 6900, 6951, 7500, 7613, 8050, 8275, 8625, 8750, 9268, 9375, 9660, 9930, 10500, 11500, 11585, 12075, 12500, 13125, 13902, 14375, 15226, 16100, 16550, 17250, 17500, 18750, 19860, 20125, 21875, 22839, 23170, 24150, 24825, 26250, 27804, 28750, 30452, 33100, 34500, 34755, 37500, 38065, 40250, 41375, 43125, 43750, 45678, 46340, 48300, 49650, 52500, 53291, 57500, 57925, 60375, 65625, 69510, 71875, 76130, 80500, 82750, 86250, 87500, 91356, 99300, 100625, 106582, 114195, 115850, 120750, 124125, 131250, 139020, 143750, 152260, 159873, 165500, 172500, 173775, 190325, 201250, 206875, 213164, 215625, 228390, 231700, 241500, 248250, 262500, 266455, 287500, 289625, 301875, 319746, 347550, 380650, 402500, 413750, 431250, 456780, 496500, 503125, 532910, 570975, 579250, 603750, 620625, 639492, 695100, 761300, 799365, 827500, 862500, 868875, 951625, 1006250, 1034375, 1065820, 1141950, 1158500, 1207500, 1241250, 1332275, 1448125, 1509375, 1598730, 1737750, 1903250, 2012500, 2068750, 2283900, 2482500, 2664550, 2854875, 2896250, 3018750, 3103125, 3197460, 3475500, 3806500, 3996825, 4137500, 4344375, 4758125, 5329100, 5709750, 5792500, 6037500, 6206250, 6661375, 7240625, 7993650, 8688750, 9516250, 11419500, 12412500, 13322750, 14274375, 14481250, 15987300, 17377500, 19032500, 19984125, 21721875, 23790625, 26645500, 28548750, 28962500, 33306875, 39968250, 43443750, 47581250, 57097500, 66613750, 71371875, 79936500, 86887500, 95162500, 99920625, 133227500, 142743750, 166534375, 199841250, 285487500, 333068750, 399682500, 499603125, 666137500, 999206250, 1998412500]

約数ペア:

[(1, 1998412500), (2, 999206250), (3, 666137500), (4, 499603125), (5, 399682500), (6, 333068750), (7, 285487500), (10, 199841250), (12, 166534375), (14, 142743750), (15, 133227500), (20, 99920625), (21, 95162500), (23, 86887500), (25, 79936500), (28, 71371875), (30, 66613750), (35, 57097500), (42, 47581250), (46, 43443750), (50, 39968250), (60, 33306875), (69, 28962500), (70, 28548750), (75, 26645500), (84, 23790625), (92, 21721875), (100, 19984125), (105, 19032500), (115, 17377500), (125, 15987300), (138, 14481250), (140, 14274375), (150, 13322750), (161, 12412500), (175, 11419500), (210, 9516250), (230, 8688750), (250, 7993650), (276, 7240625), (300, 6661375), (322, 6206250), (331, 6037500), (345, 5792500), (350, 5709750), (375, 5329100), (420, 4758125), (460, 4344375), (483, 4137500), (500, 3996825), (525, 3806500), (575, 3475500), (625, 3197460), (644, 3103125), (662, 3018750), (690, 2896250), (700, 2854875), (750, 2664550), (805, 2482500), (875, 2283900), (966, 2068750), (993, 2012500), (1050, 1903250), (1150, 1737750), (1250, 1598730), (1324, 1509375), (1380, 1448125), (1500, 1332275), (1610, 1241250), (1655, 1207500), (1725, 1158500), (1750, 1141950), (1875, 1065820), (1932, 1034375), (1986, 1006250), (2100, 951625), (2300, 868875), (2317, 862500), (2415, 827500), (2500, 799365), (2625, 761300), (2875, 695100), (3125, 639492), (3220, 620625), (3310, 603750), (3450, 579250), (3500, 570975), (3750, 532910), (3972, 503125), (4025, 496500), (4375, 456780), (4634, 431250), (4830, 413750), (4965, 402500), (5250, 380650), (5750, 347550), (6250, 319746), (6620, 301875), (6900, 289625), (6951, 287500), (7500, 266455), (7613, 262500), (8050, 248250), (8275, 241500), (8625, 231700), (8750, 228390), (9268, 215625), (9375, 213164), (9660, 206875), (9930, 201250), (10500, 190325), (11500, 173775), (11585, 172500), (12075, 165500), (12500, 159873), (13125, 152260), (13902, 143750), (14375, 139020), (15226, 131250), (16100, 124125), (16550, 120750), (17250, 115850), (17500, 114195), (18750, 106582), (19860, 100625), (20125, 99300), (21875, 91356), (22839, 87500), (23170, 86250), (24150, 82750), (24825, 80500), (26250, 76130), (27804, 71875), (28750, 69510), (30452, 65625), (33100, 60375), (34500, 57925), (34755, 57500), (37500, 53291), (38065, 52500), (40250, 49650), (41375, 48300), (43125, 46340), (43750, 45678)]