16689700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 38247552

約数和(自身を除く): 21557852

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 53, 67, 94, 100, 106, 134, 188, 212, 235, 265, 268, 335, 470, 530, 670, 940, 1060, 1175, 1325, 1340, 1675, 2350, 2491, 2650, 3149, 3350, 3551, 4700, 4982, 5300, 6298, 6700, 7102, 9964, 12455, 12596, 14204, 15745, 17755, 24910, 31490, 35510, 49820, 62275, 62980, 71020, 78725, 88775, 124550, 157450, 166897, 177550, 249100, 314900, 333794, 355100, 667588, 834485, 1668970, 3337940, 4172425, 8344850, 16689700]

約数ペア:

[(1, 16689700), (2, 8344850), (4, 4172425), (5, 3337940), (10, 1668970), (20, 834485), (25, 667588), (47, 355100), (50, 333794), (53, 314900), (67, 249100), (94, 177550), (100, 166897), (106, 157450), (134, 124550), (188, 88775), (212, 78725), (235, 71020), (265, 62980), (268, 62275), (335, 49820), (470, 35510), (530, 31490), (670, 24910), (940, 17755), (1060, 15745), (1175, 14204), (1325, 12596), (1340, 12455), (1675, 9964), (2350, 7102), (2491, 6700), (2650, 6298), (3149, 5300), (3350, 4982), (3551, 4700)]