627707210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 1241049600

約数和(自身を除く): 613342390

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 227, 239, 445, 454, 478, 890, 1135, 1157, 1195, 2270, 2314, 2390, 2951, 3107, 5785, 5902, 6214, 11570, 14755, 15535, 20203, 21271, 29510, 31070, 40406, 42542, 54253, 101015, 106355, 108506, 202030, 212710, 262639, 271265, 276523, 525278, 542530, 553046, 705289, 1313195, 1382615, 1410578, 2626390, 2765230, 3526445, 4828517, 7052890, 9657034, 24142585, 48285170, 62770721, 125541442, 313853605, 627707210]

約数ペア:

[(1, 627707210), (2, 313853605), (5, 125541442), (10, 62770721), (13, 48285170), (26, 24142585), (65, 9657034), (89, 7052890), (130, 4828517), (178, 3526445), (227, 2765230), (239, 2626390), (445, 1410578), (454, 1382615), (478, 1313195), (890, 705289), (1135, 553046), (1157, 542530), (1195, 525278), (2270, 276523), (2314, 271265), (2390, 262639), (2951, 212710), (3107, 202030), (5785, 108506), (5902, 106355), (6214, 101015), (11570, 54253), (14755, 42542), (15535, 40406), (20203, 31070), (21271, 29510)]