1620708770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{1789}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 3133523880

約数和(自身を除く): 1512815110

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1789, 2482, 3578, 5329, 6205, 8945, 10658, 12410, 17890, 26645, 30413, 53290, 60826, 90593, 130597, 152065, 181186, 261194, 304130, 452965, 652985, 905930, 1305970, 2220149, 4440298, 9533581, 11100745, 19067162, 22201490, 47667905, 95335810, 162070877, 324141754, 810354385, 1620708770]

約数ペア:

[(1, 1620708770), (2, 810354385), (5, 324141754), (10, 162070877), (17, 95335810), (34, 47667905), (73, 22201490), (85, 19067162), (146, 11100745), (170, 9533581), (365, 4440298), (730, 2220149), (1241, 1305970), (1789, 905930), (2482, 652985), (3578, 452965), (5329, 304130), (6205, 261194), (8945, 181186), (10658, 152065), (12410, 130597), (17890, 90593), (26645, 60826), (30413, 53290)]