281083270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 580789440

約数和(自身を除く): 299706170

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 193, 221, 386, 442, 659, 965, 1105, 1318, 1930, 2210, 2509, 3281, 3295, 5018, 6562, 6590, 8567, 11203, 12545, 16405, 17134, 22406, 25090, 32810, 42653, 42835, 56015, 85306, 85670, 112030, 127187, 145639, 213265, 254374, 291278, 426530, 635935, 728195, 1271870, 1456390, 1653431, 2162179, 3306862, 4324358, 8267155, 10810895, 16534310, 21621790, 28108327, 56216654, 140541635, 281083270]

約数ペア:

[(1, 281083270), (2, 140541635), (5, 56216654), (10, 28108327), (13, 21621790), (17, 16534310), (26, 10810895), (34, 8267155), (65, 4324358), (85, 3306862), (130, 2162179), (170, 1653431), (193, 1456390), (221, 1271870), (386, 728195), (442, 635935), (659, 426530), (965, 291278), (1105, 254374), (1318, 213265), (1930, 145639), (2210, 127187), (2509, 112030), (3281, 85670), (3295, 85306), (5018, 56015), (6562, 42835), (6590, 42653), (8567, 32810), (11203, 25090), (12545, 22406), (16405, 17134)]