389618961020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6959}}^1\times {\mathrm{18539}}^1$

素因数の和:25658

約数の個数: 48

約数和(自身を含む): 823781145600

約数和(自身を除く): 434162184580

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6959, 13918, 18539, 27836, 34795, 37078, 69590, 74156, 92695, 139180, 185390, 370780, 1050809, 2101618, 2799389, 4203236, 5254045, 5598778, 10508090, 11197556, 13996945, 21016180, 27993890, 55987780, 129012901, 258025802, 516051604, 645064505, 1290129010, 2580258020, 19480948051, 38961896102, 77923792204, 97404740255, 194809480510, 389618961020]

約数ペア:

[(1, 389618961020), (2, 194809480510), (4, 97404740255), (5, 77923792204), (10, 38961896102), (20, 19480948051), (151, 2580258020), (302, 1290129010), (604, 645064505), (755, 516051604), (1510, 258025802), (3020, 129012901), (6959, 55987780), (13918, 27993890), (18539, 21016180), (27836, 13996945), (34795, 11197556), (37078, 10508090), (69590, 5598778), (74156, 5254045), (92695, 4203236), (139180, 2799389), (185390, 2101618), (370780, 1050809)]