8727342010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{3251}}^1$

素因数の和:3547

約数の個数: 64

約数和(自身を含む): 16858368000

約数和(自身を除く): 8131025990

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 199, 355, 398, 710, 995, 1349, 1990, 2698, 3251, 3781, 6502, 6745, 7562, 13490, 14129, 16255, 18905, 28258, 32510, 37810, 61769, 70645, 123538, 141290, 230821, 268451, 308845, 461642, 536902, 617690, 646949, 1154105, 1293898, 1342255, 2308210, 2684510, 3234745, 4385599, 6469490, 8771198, 12292031, 21927995, 24584062, 43855990, 45933379, 61460155, 91866758, 122920310, 229666895, 459333790, 872734201, 1745468402, 4363671005, 8727342010]

約数ペア:

[(1, 8727342010), (2, 4363671005), (5, 1745468402), (10, 872734201), (19, 459333790), (38, 229666895), (71, 122920310), (95, 91866758), (142, 61460155), (190, 45933379), (199, 43855990), (355, 24584062), (398, 21927995), (710, 12292031), (995, 8771198), (1349, 6469490), (1990, 4385599), (2698, 3234745), (3251, 2684510), (3781, 2308210), (6502, 1342255), (6745, 1293898), (7562, 1154105), (13490, 646949), (14129, 617690), (16255, 536902), (18905, 461642), (28258, 308845), (32510, 268451), (37810, 230821), (61769, 141290), (70645, 123538)]