90574870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1861}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 169456896

約数和(自身を除く): 78882026

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 785, 1570, 1861, 3722, 4867, 9305, 9734, 18610, 24335, 48670, 57691, 115382, 288455, 292177, 576910, 584354, 1460885, 2921770, 9057487, 18114974, 45287435, 90574870]

約数ペア:

[(1, 90574870), (2, 45287435), (5, 18114974), (10, 9057487), (31, 2921770), (62, 1460885), (155, 584354), (157, 576910), (310, 292177), (314, 288455), (785, 115382), (1570, 57691), (1861, 48670), (3722, 24335), (4867, 18610), (9305, 9734)]