1617991060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{372809}}^1$

素因数の和:372856

約数の個数: 48

約数和(自身を含む): 4008453120

約数和(自身を除く): 2390462060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 372809, 745618, 1491236, 1864045, 2609663, 3728090, 5219326, 7456180, 10438652, 11557079, 13048315, 23114158, 26096630, 46228316, 52193260, 57785395, 80899553, 115570790, 161799106, 231141580, 323598212, 404497765, 808995530, 1617991060]

約数ペア:

[(1, 1617991060), (2, 808995530), (4, 404497765), (5, 323598212), (7, 231141580), (10, 161799106), (14, 115570790), (20, 80899553), (28, 57785395), (31, 52193260), (35, 46228316), (62, 26096630), (70, 23114158), (124, 13048315), (140, 11557079), (155, 10438652), (217, 7456180), (310, 5219326), (434, 3728090), (620, 2609663), (868, 1864045), (1085, 1491236), (2170, 745618), (4340, 372809)]