8957740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 21611520

約数和(自身を除く): 12653780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2143, 4180, 4286, 8572, 10715, 21430, 23573, 40717, 42860, 47146, 81434, 94292, 117865, 162868, 203585, 235730, 407170, 447887, 471460, 814340, 895774, 1791548, 2239435, 4478870, 8957740]

約数ペア:

[(1, 8957740), (2, 4478870), (4, 2239435), (5, 1791548), (10, 895774), (11, 814340), (19, 471460), (20, 447887), (22, 407170), (38, 235730), (44, 203585), (55, 162868), (76, 117865), (95, 94292), (110, 81434), (190, 47146), (209, 42860), (220, 40717), (380, 23573), (418, 21430), (836, 10715), (1045, 8572), (2090, 4286), (2143, 4180)]