197377540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101741}}^1$

素因数の和:101847

約数の個数: 24

約数和(自身を含む): 418770072

約数和(自身を除く): 221392532

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 101741, 203482, 406964, 508705, 1017410, 2034820, 9868877, 19737754, 39475508, 49344385, 98688770, 197377540]

約数ペア:

[(1, 197377540), (2, 98688770), (4, 49344385), (5, 39475508), (10, 19737754), (20, 9868877), (97, 2034820), (194, 1017410), (388, 508705), (485, 406964), (970, 203482), (1940, 101741)]