394367080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101641}}^1$

素因数の和:101749

約数の個数: 32

約数和(自身を含む): 896482440

約数和(自身を除く): 502115360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 101641, 203282, 406564, 508205, 813128, 1016410, 2032820, 4065640, 9859177, 19718354, 39436708, 49295885, 78873416, 98591770, 197183540, 394367080]

約数ペア:

[(1, 394367080), (2, 197183540), (4, 98591770), (5, 78873416), (8, 49295885), (10, 39436708), (20, 19718354), (40, 9859177), (97, 4065640), (194, 2032820), (388, 1016410), (485, 813128), (776, 508205), (970, 406564), (1940, 203282), (3880, 101641)]