1377778890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1996781}}^1$

素因数の和:1996814

約数の個数: 32

約数和(自身を含む): 3450439296

約数和(自身を除く): 2072660406

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1996781, 3993562, 5990343, 9983905, 11980686, 19967810, 29951715, 45925963, 59903430, 91851926, 137777889, 229629815, 275555778, 459259630, 688889445, 1377778890]

約数ペア:

[(1, 1377778890), (2, 688889445), (3, 459259630), (5, 275555778), (6, 229629815), (10, 137777889), (15, 91851926), (23, 59903430), (30, 45925963), (46, 29951715), (69, 19967810), (115, 11980686), (138, 9983905), (230, 5990343), (345, 3993562), (690, 1996781)]