2399090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2162830

約数列:

[1, 2, 5, 10, 31, 62, 71, 109, 142, 155, 218, 310, 355, 545, 710, 1090, 2201, 3379, 4402, 6758, 7739, 11005, 15478, 16895, 22010, 33790, 38695, 77390, 239909, 479818, 1199545, 2399090]

約数ペア:

[(1, 2399090), (2, 1199545), (5, 479818), (10, 239909), (31, 77390), (62, 38695), (71, 33790), (109, 22010), (142, 16895), (155, 15478), (218, 11005), (310, 7739), (355, 6758), (545, 4402), (710, 3379), (1090, 2201)]