1208701870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 2351462400

約数和(自身を除く): 1142760530

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 239, 355, 419, 478, 710, 838, 1195, 1207, 2095, 2390, 2414, 4063, 4190, 6035, 7123, 8126, 12070, 14246, 16969, 20315, 29749, 33938, 35615, 40630, 59498, 71230, 84845, 100141, 148745, 169690, 200282, 288473, 297490, 500705, 505733, 576946, 1001410, 1011466, 1442365, 1702397, 2528665, 2884730, 3404794, 5057330, 7110011, 8511985, 14220022, 17023970, 35550055, 71100110, 120870187, 241740374, 604350935, 1208701870]

約数ペア:

[(1, 1208701870), (2, 604350935), (5, 241740374), (10, 120870187), (17, 71100110), (34, 35550055), (71, 17023970), (85, 14220022), (142, 8511985), (170, 7110011), (239, 5057330), (355, 3404794), (419, 2884730), (478, 2528665), (710, 1702397), (838, 1442365), (1195, 1011466), (1207, 1001410), (2095, 576946), (2390, 505733), (2414, 500705), (4063, 297490), (4190, 288473), (6035, 200282), (7123, 169690), (8126, 148745), (12070, 100141), (14246, 84845), (16969, 71230), (20315, 59498), (29749, 40630), (33938, 35615)]