1293980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2963520

約数和(自身を除く): 1669540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 97, 115, 116, 145, 194, 230, 290, 388, 460, 485, 580, 667, 970, 1334, 1940, 2231, 2668, 2813, 3335, 4462, 5626, 6670, 8924, 11155, 11252, 13340, 14065, 22310, 28130, 44620, 56260, 64699, 129398, 258796, 323495, 646990, 1293980]

約数ペア:

[(1, 1293980), (2, 646990), (4, 323495), (5, 258796), (10, 129398), (20, 64699), (23, 56260), (29, 44620), (46, 28130), (58, 22310), (92, 14065), (97, 13340), (115, 11252), (116, 11155), (145, 8924), (194, 6670), (230, 5626), (290, 4462), (388, 3335), (460, 2813), (485, 2668), (580, 2231), (667, 1940), (970, 1334)]