73088980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 84400940

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 431, 556, 610, 695, 862, 1220, 1390, 1724, 2155, 2780, 4310, 8479, 8620, 16958, 26291, 33916, 42395, 52582, 59909, 84790, 105164, 119818, 131455, 169580, 239636, 262910, 299545, 525820, 599090, 1198180, 3654449, 7308898, 14617796, 18272245, 36544490, 73088980]

約数ペア:

[(1, 73088980), (2, 36544490), (4, 18272245), (5, 14617796), (10, 7308898), (20, 3654449), (61, 1198180), (122, 599090), (139, 525820), (244, 299545), (278, 262910), (305, 239636), (431, 169580), (556, 131455), (610, 119818), (695, 105164), (862, 84790), (1220, 59909), (1390, 52582), (1724, 42395), (2155, 33916), (2780, 26291), (4310, 16958), (8479, 8620)]