331357820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 709927680

約数和(自身を除く): 378569860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1567, 1940, 2180, 3134, 6268, 7835, 10573, 15670, 21146, 31340, 42292, 52865, 105730, 151999, 170803, 211460, 303998, 341606, 607996, 683212, 759995, 854015, 1519990, 1708030, 3039980, 3416060, 16567891, 33135782, 66271564, 82839455, 165678910, 331357820]

約数ペア:

[(1, 331357820), (2, 165678910), (4, 82839455), (5, 66271564), (10, 33135782), (20, 16567891), (97, 3416060), (109, 3039980), (194, 1708030), (218, 1519990), (388, 854015), (436, 759995), (485, 683212), (545, 607996), (970, 341606), (1090, 303998), (1567, 211460), (1940, 170803), (2180, 151999), (3134, 105730), (6268, 52865), (7835, 42292), (10573, 31340), (15670, 21146)]