87195640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:2984

約数の個数: 64

約数和(自身を含む): 226353600

約数和(自身を除く): 139157960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2857, 3052, 3815, 4360, 5714, 6104, 7630, 11428, 14285, 15260, 19999, 22856, 28570, 30520, 39998, 57140, 79996, 99995, 114280, 159992, 199990, 311413, 399980, 622826, 799960, 1245652, 1557065, 2179891, 2491304, 3114130, 4359782, 6228260, 8719564, 10899455, 12456520, 17439128, 21798910, 43597820, 87195640]

約数ペア:

[(1, 87195640), (2, 43597820), (4, 21798910), (5, 17439128), (7, 12456520), (8, 10899455), (10, 8719564), (14, 6228260), (20, 4359782), (28, 3114130), (35, 2491304), (40, 2179891), (56, 1557065), (70, 1245652), (109, 799960), (140, 622826), (218, 399980), (280, 311413), (436, 199990), (545, 159992), (763, 114280), (872, 99995), (1090, 79996), (1526, 57140), (2180, 39998), (2857, 30520), (3052, 28570), (3815, 22856), (4360, 19999), (5714, 15260), (6104, 14285), (7630, 11428)]