70989820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1447}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 163473408

約数和(自身を除く): 92483588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 1447, 2230, 2453, 2894, 4460, 4906, 5788, 7235, 9812, 12265, 14470, 15917, 24530, 28940, 31834, 49060, 63668, 79585, 159170, 318340, 322681, 645362, 1290724, 1613405, 3226810, 3549491, 6453620, 7098982, 14197964, 17747455, 35494910, 70989820]

約数ペア:

[(1, 70989820), (2, 35494910), (4, 17747455), (5, 14197964), (10, 7098982), (11, 6453620), (20, 3549491), (22, 3226810), (44, 1613405), (55, 1290724), (110, 645362), (220, 322681), (223, 318340), (446, 159170), (892, 79585), (1115, 63668), (1447, 49060), (2230, 31834), (2453, 28940), (2894, 24530), (4460, 15917), (4906, 14470), (5788, 12265), (7235, 9812)]