90891820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4513}}^1$

素因数の和:4594

約数の個数: 48

約数和(自身を含む): 204755040

約数和(自身を除く): 113863220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 4513, 5035, 9026, 10070, 18052, 20140, 22565, 45130, 85747, 90260, 171494, 239189, 342988, 428735, 478378, 857470, 956756, 1195945, 1714940, 2391890, 4544591, 4783780, 9089182, 18178364, 22722955, 45445910, 90891820]

約数ペア:

[(1, 90891820), (2, 45445910), (4, 22722955), (5, 18178364), (10, 9089182), (19, 4783780), (20, 4544591), (38, 2391890), (53, 1714940), (76, 1195945), (95, 956756), (106, 857470), (190, 478378), (212, 428735), (265, 342988), (380, 239189), (530, 171494), (1007, 90260), (1060, 85747), (2014, 45130), (4028, 22565), (4513, 20140), (5035, 18052), (9026, 10070)]