13489900

素因数分解:

$2^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:778

約数の個数: 36

約数和(自身を含む): 29439088

約数和(自身を除く): 15949188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 277, 487, 554, 974, 1108, 1385, 1948, 2435, 2770, 4870, 5540, 6925, 9740, 12175, 13850, 24350, 27700, 48700, 134899, 269798, 539596, 674495, 1348990, 2697980, 3372475, 6744950, 13489900]

約数ペア:

[(1, 13489900), (2, 6744950), (4, 3372475), (5, 2697980), (10, 1348990), (20, 674495), (25, 539596), (50, 269798), (100, 134899), (277, 48700), (487, 27700), (554, 24350), (974, 13850), (1108, 12175), (1385, 9740), (1948, 6925), (2435, 5540), (2770, 4870)]