98251660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19889}}^1$

素因数の和:19930

約数の個数: 48

約数和(自身を含む): 233906400

約数和(自身を除く): 135654740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 19889, 39778, 79556, 99445, 198890, 258557, 377891, 397780, 517114, 755782, 1034228, 1292785, 1511564, 1889455, 2585570, 3778910, 4912583, 5171140, 7557820, 9825166, 19650332, 24562915, 49125830, 98251660]

約数ペア:

[(1, 98251660), (2, 49125830), (4, 24562915), (5, 19650332), (10, 9825166), (13, 7557820), (19, 5171140), (20, 4912583), (26, 3778910), (38, 2585570), (52, 1889455), (65, 1511564), (76, 1292785), (95, 1034228), (130, 755782), (190, 517114), (247, 397780), (260, 377891), (380, 258557), (494, 198890), (988, 99445), (1235, 79556), (2470, 39778), (4940, 19889)]