123450700780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9199009}}^1$

素因数の和:9199090

約数の個数: 48

約数和(自身を含む): 287450664480

約数和(自身を除く): 163999963700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 9199009, 18398018, 36796036, 45995045, 91990090, 101189099, 183980180, 202378198, 404756396, 505945495, 561139549, 1011890990, 1122279098, 2023781980, 2244558196, 2805697745, 5611395490, 6172535039, 11222790980, 12345070078, 24690140156, 30862675195, 61725350390, 123450700780]

約数ペア:

[(1, 123450700780), (2, 61725350390), (4, 30862675195), (5, 24690140156), (10, 12345070078), (11, 11222790980), (20, 6172535039), (22, 5611395490), (44, 2805697745), (55, 2244558196), (61, 2023781980), (110, 1122279098), (122, 1011890990), (220, 561139549), (244, 505945495), (305, 404756396), (610, 202378198), (671, 183980180), (1220, 101189099), (1342, 91990090), (2684, 45995045), (3355, 36796036), (6710, 18398018), (13420, 9199009)]