71840290

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{71129}}^1$

素因数の和:71237

約数の個数: 16

約数和(自身を含む): 130594680

約数和(自身を除く): 58754390

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 71129, 142258, 355645, 711290, 7184029, 14368058, 35920145, 71840290]

約数ペア:

[(1, 71840290), (2, 35920145), (5, 14368058), (10, 7184029), (101, 711290), (202, 355645), (505, 142258), (1010, 71129)]