100891010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 201096000

約数和(自身を除く): 100204990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 419, 605, 838, 995, 1210, 1990, 2095, 2189, 4190, 4378, 4609, 9218, 10945, 21890, 23045, 24079, 46090, 48158, 50699, 83381, 101398, 120395, 166762, 240790, 253495, 416905, 506990, 833810, 917191, 1834382, 4585955, 9171910, 10089101, 20178202, 50445505, 100891010]

約数ペア:

[(1, 100891010), (2, 50445505), (5, 20178202), (10, 10089101), (11, 9171910), (22, 4585955), (55, 1834382), (110, 917191), (121, 833810), (199, 506990), (242, 416905), (398, 253495), (419, 240790), (605, 166762), (838, 120395), (995, 101398), (1210, 83381), (1990, 50699), (2095, 48158), (2189, 46090), (4190, 24079), (4378, 23045), (4609, 21890), (9218, 10945)]