427071880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{201449}}^1$

素因数の和:201513

約数の個数: 32

約数和(自身を含む): 979047000

約数和(自身を除く): 551975120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 201449, 402898, 805796, 1007245, 1611592, 2014490, 4028980, 8057960, 10676797, 21353594, 42707188, 53383985, 85414376, 106767970, 213535940, 427071880]

約数ペア:

[(1, 427071880), (2, 213535940), (4, 106767970), (5, 85414376), (8, 53383985), (10, 42707188), (20, 21353594), (40, 10676797), (53, 8057960), (106, 4028980), (212, 2014490), (265, 1611592), (424, 1007245), (530, 805796), (1060, 402898), (2120, 201449)]