788021260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{22123}}^1$

素因数の和:22282

約数の個数: 48

約数和(自身を含む): 1795229856

約数和(自身を除く): 1007208596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 22123, 35620, 44246, 88492, 110615, 221230, 287599, 442460, 575198, 1150396, 1437995, 2875990, 3030851, 5751980, 6061702, 12123404, 15154255, 30308510, 39401063, 60617020, 78802126, 157604252, 197005315, 394010630, 788021260]

約数ペア:

[(1, 788021260), (2, 394010630), (4, 197005315), (5, 157604252), (10, 78802126), (13, 60617020), (20, 39401063), (26, 30308510), (52, 15154255), (65, 12123404), (130, 6061702), (137, 5751980), (260, 3030851), (274, 2875990), (548, 1437995), (685, 1150396), (1370, 575198), (1781, 442460), (2740, 287599), (3562, 221230), (7124, 110615), (8905, 88492), (17810, 44246), (22123, 35620)]