157400609620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1\times {\mathrm{2099}}^1$

素因数の和:3749

約数の個数: 96

約数和(自身を含む): 345913344000

約数和(自身を除く): 188512734380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1531, 1580, 2099, 2449, 3062, 4198, 4898, 6124, 7655, 8396, 9796, 10495, 12245, 15310, 20990, 24490, 30620, 41980, 47461, 48980, 65069, 94922, 120949, 130138, 165821, 189844, 237305, 241898, 260276, 325345, 331642, 474610, 483796, 604745, 650690, 663284, 829105, 949220, 1209490, 1301380, 1658210, 2418980, 3213569, 3316420, 3749419, 5140451, 6427138, 7498838, 10280902, 12854276, 14997676, 16067845, 18747095, 20561804, 25702255, 32135690, 37494190, 51404510, 64271380, 74988380, 99620639, 102809020, 199241278, 253871951, 398482556, 498103195, 507743902, 996206390, 1015487804, 1269359755, 1992412780, 2538719510, 5077439020, 7870030481, 15740060962, 31480121924, 39350152405, 78700304810, 157400609620]

約数ペア:

[(1, 157400609620), (2, 78700304810), (4, 39350152405), (5, 31480121924), (10, 15740060962), (20, 7870030481), (31, 5077439020), (62, 2538719510), (79, 1992412780), (124, 1269359755), (155, 1015487804), (158, 996206390), (310, 507743902), (316, 498103195), (395, 398482556), (620, 253871951), (790, 199241278), (1531, 102809020), (1580, 99620639), (2099, 74988380), (2449, 64271380), (3062, 51404510), (4198, 37494190), (4898, 32135690), (6124, 25702255), (7655, 20561804), (8396, 18747095), (9796, 16067845), (10495, 14997676), (12245, 12854276), (15310, 10280902), (20990, 7498838), (24490, 6427138), (30620, 5140451), (41980, 3749419), (47461, 3316420), (48980, 3213569), (65069, 2418980), (94922, 1658210), (120949, 1301380), (130138, 1209490), (165821, 949220), (189844, 829105), (237305, 663284), (241898, 650690), (260276, 604745), (325345, 483796), (331642, 474610)]