812489920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3350

約数の個数: 112

約数和(自身を含む): 2141012736

約数和(自身を除く): 1328522816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 142, 160, 176, 220, 284, 320, 352, 355, 440, 568, 704, 710, 781, 880, 1136, 1420, 1562, 1760, 2272, 2840, 3124, 3251, 3520, 3905, 4544, 5680, 6248, 6502, 7810, 11360, 12496, 13004, 15620, 16255, 22720, 24992, 26008, 31240, 32510, 35761, 49984, 52016, 62480, 65020, 71522, 104032, 124960, 130040, 143044, 178805, 208064, 230821, 249920, 260080, 286088, 357610, 461642, 520160, 572176, 715220, 923284, 1040320, 1144352, 1154105, 1430440, 1846568, 2288704, 2308210, 2539031, 2860880, 3693136, 4616420, 5078062, 5721760, 7386272, 9232840, 10156124, 11443520, 12695155, 14772544, 18465680, 20312248, 25390310, 36931360, 40624496, 50780620, 73862720, 81248992, 101561240, 162497984, 203122480, 406244960, 812489920]

約数ペア:

[(1, 812489920), (2, 406244960), (4, 203122480), (5, 162497984), (8, 101561240), (10, 81248992), (11, 73862720), (16, 50780620), (20, 40624496), (22, 36931360), (32, 25390310), (40, 20312248), (44, 18465680), (55, 14772544), (64, 12695155), (71, 11443520), (80, 10156124), (88, 9232840), (110, 7386272), (142, 5721760), (160, 5078062), (176, 4616420), (220, 3693136), (284, 2860880), (320, 2539031), (352, 2308210), (355, 2288704), (440, 1846568), (568, 1430440), (704, 1154105), (710, 1144352), (781, 1040320), (880, 923284), (1136, 715220), (1420, 572176), (1562, 520160), (1760, 461642), (2272, 357610), (2840, 286088), (3124, 260080), (3251, 249920), (3520, 230821), (3905, 208064), (4544, 178805), (5680, 143044), (6248, 130040), (6502, 124960), (7810, 104032), (11360, 71522), (12496, 65020), (13004, 62480), (15620, 52016), (16255, 49984), (22720, 35761), (24992, 32510), (26008, 31240)]