87705800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 258316800

約数和(自身を除く): 170611000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 61, 65, 70, 79, 91, 100, 104, 122, 130, 140, 158, 175, 182, 200, 244, 260, 280, 305, 316, 325, 350, 364, 395, 427, 455, 488, 520, 553, 610, 632, 650, 700, 728, 790, 793, 854, 910, 1027, 1106, 1220, 1300, 1400, 1525, 1580, 1586, 1708, 1820, 1975, 2054, 2135, 2212, 2275, 2440, 2600, 2765, 3050, 3160, 3172, 3416, 3640, 3950, 3965, 4108, 4270, 4424, 4550, 4819, 5135, 5530, 5551, 6100, 6344, 7189, 7900, 7930, 8216, 8540, 9100, 9638, 10270, 10675, 11060, 11102, 12200, 13825, 14378, 15800, 15860, 17080, 18200, 19276, 19825, 20540, 21350, 22120, 22204, 24095, 25675, 27650, 27755, 28756, 31720, 33733, 35945, 38552, 39650, 41080, 42700, 44408, 48190, 51350, 55300, 55510, 57512, 62647, 67466, 71890, 79300, 85400, 96380, 102700, 110600, 111020, 120475, 125294, 134932, 138775, 143780, 158600, 168665, 179725, 192760, 205400, 222040, 240950, 250588, 269864, 277550, 287560, 313235, 337330, 359450, 438529, 481900, 501176, 555100, 626470, 674660, 718900, 843325, 877058, 963800, 1110200, 1252940, 1349320, 1437800, 1566175, 1686650, 1754116, 2192645, 2505880, 3132350, 3373300, 3508232, 4385290, 6264700, 6746600, 8770580, 10963225, 12529400, 17541160, 21926450, 43852900, 87705800]

約数ペア:

[(1, 87705800), (2, 43852900), (4, 21926450), (5, 17541160), (7, 12529400), (8, 10963225), (10, 8770580), (13, 6746600), (14, 6264700), (20, 4385290), (25, 3508232), (26, 3373300), (28, 3132350), (35, 2505880), (40, 2192645), (50, 1754116), (52, 1686650), (56, 1566175), (61, 1437800), (65, 1349320), (70, 1252940), (79, 1110200), (91, 963800), (100, 877058), (104, 843325), (122, 718900), (130, 674660), (140, 626470), (158, 555100), (175, 501176), (182, 481900), (200, 438529), (244, 359450), (260, 337330), (280, 313235), (305, 287560), (316, 277550), (325, 269864), (350, 250588), (364, 240950), (395, 222040), (427, 205400), (455, 192760), (488, 179725), (520, 168665), (553, 158600), (610, 143780), (632, 138775), (650, 134932), (700, 125294), (728, 120475), (790, 111020), (793, 110600), (854, 102700), (910, 96380), (1027, 85400), (1106, 79300), (1220, 71890), (1300, 67466), (1400, 62647), (1525, 57512), (1580, 55510), (1586, 55300), (1708, 51350), (1820, 48190), (1975, 44408), (2054, 42700), (2135, 41080), (2212, 39650), (2275, 38552), (2440, 35945), (2600, 33733), (2765, 31720), (3050, 28756), (3160, 27755), (3172, 27650), (3416, 25675), (3640, 24095), (3950, 22204), (3965, 22120), (4108, 21350), (4270, 20540), (4424, 19825), (4550, 19276), (4819, 18200), (5135, 17080), (5530, 15860), (5551, 15800), (6100, 14378), (6344, 13825), (7189, 12200), (7900, 11102), (7930, 11060), (8216, 10675), (8540, 10270), (9100, 9638)]