196540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 427392

約数和(自身を除く): 230852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 1268, 1585, 3170, 6340, 9827, 19654, 39308, 49135, 98270, 196540]

約数ペア:

[(1, 196540), (2, 98270), (4, 49135), (5, 39308), (10, 19654), (20, 9827), (31, 6340), (62, 3170), (124, 1585), (155, 1268), (310, 634), (317, 620)]