551295550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49891}}^1$

素因数の和:49933

約数の個数: 48

約数和(自身を含む): 1169268912

約数和(自身を除く): 617973362

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 49891, 99782, 249455, 498910, 648583, 848147, 1247275, 1297166, 1696294, 2494550, 3242915, 4240735, 6485830, 8481470, 11025911, 16214575, 21203675, 22051822, 32429150, 42407350, 55129555, 110259110, 275647775, 551295550]

約数ペア:

[(1, 551295550), (2, 275647775), (5, 110259110), (10, 55129555), (13, 42407350), (17, 32429150), (25, 22051822), (26, 21203675), (34, 16214575), (50, 11025911), (65, 8481470), (85, 6485830), (130, 4240735), (170, 3242915), (221, 2494550), (325, 1696294), (425, 1297166), (442, 1247275), (650, 848147), (850, 648583), (1105, 498910), (2210, 249455), (5525, 99782), (11050, 49891)]