254659620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10691}}^1$

素因数の和:11100

約数の個数: 48

約数和(自身を含む): 714909888

約数和(自身を除く): 460250268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1588, 1985, 2382, 3970, 4764, 5955, 7940, 10691, 11910, 21382, 23820, 32073, 42764, 53455, 64146, 106910, 128292, 160365, 213820, 320730, 641460, 4244327, 8488654, 12732981, 16977308, 21221635, 25465962, 42443270, 50931924, 63664905, 84886540, 127329810, 254659620]

約数ペア:

[(1, 254659620), (2, 127329810), (3, 84886540), (4, 63664905), (5, 50931924), (6, 42443270), (10, 25465962), (12, 21221635), (15, 16977308), (20, 12732981), (30, 8488654), (60, 4244327), (397, 641460), (794, 320730), (1191, 213820), (1588, 160365), (1985, 128292), (2382, 106910), (3970, 64146), (4764, 53455), (5955, 42764), (7940, 32073), (10691, 23820), (11910, 21382)]