19923750

素因数分解:

$2^1\times 3^2\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 70177536

約数和(自身を除く): 50253786

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 23, 25, 30, 33, 35, 42, 45, 46, 50, 55, 63, 66, 69, 70, 75, 77, 90, 99, 105, 110, 115, 125, 126, 138, 150, 154, 161, 165, 175, 198, 207, 210, 225, 230, 231, 250, 253, 275, 315, 322, 330, 345, 350, 375, 385, 414, 450, 462, 483, 495, 506, 525, 550, 575, 625, 630, 690, 693, 750, 759, 770, 805, 825, 875, 966, 990, 1035, 1050, 1125, 1150, 1155, 1250, 1265, 1375, 1386, 1449, 1518, 1575, 1610, 1650, 1725, 1750, 1771, 1875, 1925, 2070, 2250, 2277, 2310, 2415, 2475, 2530, 2625, 2750, 2875, 2898, 3150, 3450, 3465, 3542, 3750, 3795, 3850, 4025, 4125, 4375, 4554, 4830, 4950, 5175, 5250, 5313, 5625, 5750, 5775, 6325, 6875, 6930, 7245, 7590, 7875, 8050, 8250, 8625, 8750, 8855, 9625, 10350, 10626, 11250, 11385, 11550, 12075, 12375, 12650, 13125, 13750, 14375, 14490, 15750, 15939, 17250, 17325, 17710, 18975, 19250, 20125, 20625, 22770, 24150, 24750, 25875, 26250, 26565, 28750, 28875, 31625, 31878, 34650, 36225, 37950, 39375, 40250, 41250, 43125, 44275, 48125, 51750, 53130, 56925, 57750, 60375, 61875, 63250, 72450, 78750, 79695, 86250, 86625, 88550, 94875, 96250, 100625, 113850, 120750, 123750, 129375, 132825, 144375, 158125, 159390, 173250, 181125, 189750, 201250, 221375, 258750, 265650, 284625, 288750, 301875, 316250, 362250, 398475, 433125, 442750, 474375, 569250, 603750, 664125, 796950, 866250, 905625, 948750, 1106875, 1328250, 1423125, 1811250, 1992375, 2213750, 2846250, 3320625, 3984750, 6641250, 9961875, 19923750]

約数ペア:

[(1, 19923750), (2, 9961875), (3, 6641250), (5, 3984750), (6, 3320625), (7, 2846250), (9, 2213750), (10, 1992375), (11, 1811250), (14, 1423125), (15, 1328250), (18, 1106875), (21, 948750), (22, 905625), (23, 866250), (25, 796950), (30, 664125), (33, 603750), (35, 569250), (42, 474375), (45, 442750), (46, 433125), (50, 398475), (55, 362250), (63, 316250), (66, 301875), (69, 288750), (70, 284625), (75, 265650), (77, 258750), (90, 221375), (99, 201250), (105, 189750), (110, 181125), (115, 173250), (125, 159390), (126, 158125), (138, 144375), (150, 132825), (154, 129375), (161, 123750), (165, 120750), (175, 113850), (198, 100625), (207, 96250), (210, 94875), (225, 88550), (230, 86625), (231, 86250), (250, 79695), (253, 78750), (275, 72450), (315, 63250), (322, 61875), (330, 60375), (345, 57750), (350, 56925), (375, 53130), (385, 51750), (414, 48125), (450, 44275), (462, 43125), (483, 41250), (495, 40250), (506, 39375), (525, 37950), (550, 36225), (575, 34650), (625, 31878), (630, 31625), (690, 28875), (693, 28750), (750, 26565), (759, 26250), (770, 25875), (805, 24750), (825, 24150), (875, 22770), (966, 20625), (990, 20125), (1035, 19250), (1050, 18975), (1125, 17710), (1150, 17325), (1155, 17250), (1250, 15939), (1265, 15750), (1375, 14490), (1386, 14375), (1449, 13750), (1518, 13125), (1575, 12650), (1610, 12375), (1650, 12075), (1725, 11550), (1750, 11385), (1771, 11250), (1875, 10626), (1925, 10350), (2070, 9625), (2250, 8855), (2277, 8750), (2310, 8625), (2415, 8250), (2475, 8050), (2530, 7875), (2625, 7590), (2750, 7245), (2875, 6930), (2898, 6875), (3150, 6325), (3450, 5775), (3465, 5750), (3542, 5625), (3750, 5313), (3795, 5250), (3850, 5175), (4025, 4950), (4125, 4830), (4375, 4554)]