172238480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 416640000

約数和(自身を除く): 244401520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 310, 349, 398, 496, 620, 698, 796, 995, 1240, 1396, 1592, 1745, 1990, 2480, 2792, 3184, 3490, 3980, 5584, 6169, 6980, 7960, 10819, 12338, 13960, 15920, 21638, 24676, 27920, 30845, 43276, 49352, 54095, 61690, 69451, 86552, 98704, 108190, 123380, 138902, 173104, 216380, 246760, 277804, 347255, 432760, 493520, 555608, 694510, 865520, 1111216, 1389020, 2152981, 2778040, 4305962, 5556080, 8611924, 10764905, 17223848, 21529810, 34447696, 43059620, 86119240, 172238480]

約数ペア:

[(1, 172238480), (2, 86119240), (4, 43059620), (5, 34447696), (8, 21529810), (10, 17223848), (16, 10764905), (20, 8611924), (31, 5556080), (40, 4305962), (62, 2778040), (80, 2152981), (124, 1389020), (155, 1111216), (199, 865520), (248, 694510), (310, 555608), (349, 493520), (398, 432760), (496, 347255), (620, 277804), (698, 246760), (796, 216380), (995, 173104), (1240, 138902), (1396, 123380), (1592, 108190), (1745, 98704), (1990, 86552), (2480, 69451), (2792, 61690), (3184, 54095), (3490, 49352), (3980, 43276), (5584, 30845), (6169, 27920), (6980, 24676), (7960, 21638), (10819, 15920), (12338, 13960)]