56169820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{953}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 135269568

約数和(自身を除く): 79099748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 953, 1684, 1906, 2105, 2947, 3812, 4210, 4765, 5894, 6671, 8420, 9530, 11788, 13342, 14735, 19060, 26684, 29470, 33355, 58940, 66710, 133420, 401213, 802426, 1604852, 2006065, 2808491, 4012130, 5616982, 8024260, 11233964, 14042455, 28084910, 56169820]

約数ペア:

[(1, 56169820), (2, 28084910), (4, 14042455), (5, 11233964), (7, 8024260), (10, 5616982), (14, 4012130), (20, 2808491), (28, 2006065), (35, 1604852), (70, 802426), (140, 401213), (421, 133420), (842, 66710), (953, 58940), (1684, 33355), (1906, 29470), (2105, 26684), (2947, 19060), (3812, 14735), (4210, 13342), (4765, 11788), (5894, 9530), (6671, 8420)]