131337220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 325817856

約数和(自身を除く): 194480636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 73, 140, 142, 146, 181, 284, 292, 355, 362, 365, 497, 511, 710, 724, 730, 905, 994, 1022, 1267, 1420, 1460, 1810, 1988, 2044, 2485, 2534, 2555, 3620, 4970, 5068, 5110, 5183, 6335, 9940, 10220, 10366, 12670, 12851, 13213, 20732, 25340, 25702, 25915, 26426, 36281, 51404, 51830, 52852, 64255, 66065, 72562, 89957, 92491, 103660, 128510, 132130, 145124, 179914, 181405, 184982, 257020, 264260, 359828, 362810, 369964, 449785, 462455, 725620, 899570, 924910, 938123, 1799140, 1849820, 1876246, 3752492, 4690615, 6566861, 9381230, 13133722, 18762460, 26267444, 32834305, 65668610, 131337220]

約数ペア:

[(1, 131337220), (2, 65668610), (4, 32834305), (5, 26267444), (7, 18762460), (10, 13133722), (14, 9381230), (20, 6566861), (28, 4690615), (35, 3752492), (70, 1876246), (71, 1849820), (73, 1799140), (140, 938123), (142, 924910), (146, 899570), (181, 725620), (284, 462455), (292, 449785), (355, 369964), (362, 362810), (365, 359828), (497, 264260), (511, 257020), (710, 184982), (724, 181405), (730, 179914), (905, 145124), (994, 132130), (1022, 128510), (1267, 103660), (1420, 92491), (1460, 89957), (1810, 72562), (1988, 66065), (2044, 64255), (2485, 52852), (2534, 51830), (2555, 51404), (3620, 36281), (4970, 26426), (5068, 25915), (5110, 25702), (5183, 25340), (6335, 20732), (9940, 13213), (10220, 12851), (10366, 12670)]