126835820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 272160000

約数和(自身を除く): 145324180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 355, 358, 499, 710, 716, 895, 998, 1420, 1790, 1996, 2495, 3580, 4990, 9980, 12709, 25418, 35429, 50836, 63545, 70858, 89321, 127090, 141716, 177145, 178642, 254180, 354290, 357284, 446605, 708580, 893210, 1786420, 6341791, 12683582, 25367164, 31708955, 63417910, 126835820]

約数ペア:

[(1, 126835820), (2, 63417910), (4, 31708955), (5, 25367164), (10, 12683582), (20, 6341791), (71, 1786420), (142, 893210), (179, 708580), (284, 446605), (355, 357284), (358, 354290), (499, 254180), (710, 178642), (716, 177145), (895, 141716), (998, 127090), (1420, 89321), (1790, 70858), (1996, 63545), (2495, 50836), (3580, 35429), (4990, 25418), (9980, 12709)]