197523420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 566092800

約数和(自身を除く): 368569380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 199, 213, 233, 284, 355, 398, 426, 466, 597, 699, 710, 796, 852, 932, 995, 1065, 1165, 1194, 1398, 1420, 1990, 2130, 2330, 2388, 2796, 2985, 3495, 3980, 4260, 4660, 5970, 6990, 11940, 13980, 14129, 16543, 28258, 33086, 42387, 46367, 49629, 56516, 66172, 70645, 82715, 84774, 92734, 99258, 139101, 141290, 165430, 169548, 185468, 198516, 211935, 231835, 248145, 278202, 282580, 330860, 423870, 463670, 496290, 556404, 695505, 847740, 927340, 992580, 1391010, 2782020, 3292057, 6584114, 9876171, 13168228, 16460285, 19752342, 32920570, 39504684, 49380855, 65841140, 98761710, 197523420]

約数ペア:

[(1, 197523420), (2, 98761710), (3, 65841140), (4, 49380855), (5, 39504684), (6, 32920570), (10, 19752342), (12, 16460285), (15, 13168228), (20, 9876171), (30, 6584114), (60, 3292057), (71, 2782020), (142, 1391010), (199, 992580), (213, 927340), (233, 847740), (284, 695505), (355, 556404), (398, 496290), (426, 463670), (466, 423870), (597, 330860), (699, 282580), (710, 278202), (796, 248145), (852, 231835), (932, 211935), (995, 198516), (1065, 185468), (1165, 169548), (1194, 165430), (1398, 141290), (1420, 139101), (1990, 99258), (2130, 92734), (2330, 84774), (2388, 82715), (2796, 70645), (2985, 66172), (3495, 56516), (3980, 49629), (4260, 46367), (4660, 42387), (5970, 33086), (6990, 28258), (11940, 16543), (13980, 14129)]