189598480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 460684800

約数和(自身を除く): 271086320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 859, 890, 1240, 1424, 1718, 1780, 2480, 2759, 3436, 3560, 4295, 5518, 6872, 7120, 8590, 11036, 13744, 13795, 17180, 22072, 26629, 27590, 34360, 44144, 53258, 55180, 68720, 76451, 106516, 110360, 133145, 152902, 213032, 220720, 266290, 305804, 382255, 426064, 532580, 611608, 764510, 1065160, 1223216, 1529020, 2130320, 2369981, 3058040, 4739962, 6116080, 9479924, 11849905, 18959848, 23699810, 37919696, 47399620, 94799240, 189598480]

約数ペア:

[(1, 189598480), (2, 94799240), (4, 47399620), (5, 37919696), (8, 23699810), (10, 18959848), (16, 11849905), (20, 9479924), (31, 6116080), (40, 4739962), (62, 3058040), (80, 2369981), (89, 2130320), (124, 1529020), (155, 1223216), (178, 1065160), (248, 764510), (310, 611608), (356, 532580), (445, 426064), (496, 382255), (620, 305804), (712, 266290), (859, 220720), (890, 213032), (1240, 152902), (1424, 133145), (1718, 110360), (1780, 106516), (2480, 76451), (2759, 68720), (3436, 55180), (3560, 53258), (4295, 44144), (5518, 34360), (6872, 27590), (7120, 26629), (8590, 22072), (11036, 17180), (13744, 13795)]