138600665

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{1999}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 194256000

約数和(自身を除く): 55655335

約数列:

[1, 5, 7, 35, 49, 245, 283, 1415, 1981, 1999, 9905, 9995, 13867, 13993, 69335, 69965, 97951, 489755, 565717, 2828585, 3960019, 19800095, 27720133, 138600665]

約数ペア:

[(1, 138600665), (5, 27720133), (7, 19800095), (35, 3960019), (49, 2828585), (245, 565717), (283, 489755), (1415, 97951), (1981, 69965), (1999, 69335), (9905, 13993), (9995, 13867)]