89428180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 195987456

約数和(自身を除く): 106559276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1487, 1940, 2974, 3007, 5948, 6014, 7435, 12028, 14870, 15035, 29740, 30070, 46097, 60140, 92194, 144239, 184388, 230485, 288478, 460970, 576956, 721195, 921940, 1442390, 2884780, 4471409, 8942818, 17885636, 22357045, 44714090, 89428180]

約数ペア:

[(1, 89428180), (2, 44714090), (4, 22357045), (5, 17885636), (10, 8942818), (20, 4471409), (31, 2884780), (62, 1442390), (97, 921940), (124, 721195), (155, 576956), (194, 460970), (310, 288478), (388, 230485), (485, 184388), (620, 144239), (970, 92194), (1487, 60140), (1940, 46097), (2974, 30070), (3007, 29740), (5948, 15035), (6014, 14870), (7435, 12028)]