77498980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{859}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 175976640

約数和(自身を除く): 98477660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 859, 1388, 1718, 1735, 3436, 3470, 4295, 4511, 6940, 8590, 9022, 11167, 17180, 18044, 22334, 22555, 44668, 45110, 55835, 90220, 111670, 223340, 298073, 596146, 1192292, 1490365, 2980730, 3874949, 5961460, 7749898, 15499796, 19374745, 38749490, 77498980]

約数ペア:

[(1, 77498980), (2, 38749490), (4, 19374745), (5, 15499796), (10, 7749898), (13, 5961460), (20, 3874949), (26, 2980730), (52, 1490365), (65, 1192292), (130, 596146), (260, 298073), (347, 223340), (694, 111670), (859, 90220), (1388, 55835), (1718, 45110), (1735, 44668), (3436, 22555), (3470, 22334), (4295, 18044), (4511, 17180), (6940, 11167), (8590, 9022)]