521180380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{47123}}^1$

素因数の和:47218

約数の個数: 48

約数和(自身を含む): 1266693120

約数和(自身を除く): 745512740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 47123, 94246, 188492, 235615, 329861, 471230, 659722, 942460, 1319444, 1649305, 3298610, 3722717, 6597220, 7445434, 14890868, 18613585, 26059019, 37227170, 52118038, 74454340, 104236076, 130295095, 260590190, 521180380]

約数ペア:

[(1, 521180380), (2, 260590190), (4, 130295095), (5, 104236076), (7, 74454340), (10, 52118038), (14, 37227170), (20, 26059019), (28, 18613585), (35, 14890868), (70, 7445434), (79, 6597220), (140, 3722717), (158, 3298610), (316, 1649305), (395, 1319444), (553, 942460), (790, 659722), (1106, 471230), (1580, 329861), (2212, 235615), (2765, 188492), (5530, 94246), (11060, 47123)]