388182460

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{15199}}^1$

素因数の和:16485

約数の個数: 24

約数和(自身を含む): 815875200

約数和(自身を除く): 427692740

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 12770, 15199, 25540, 30398, 60796, 75995, 151990, 303980, 19409123, 38818246, 77636492, 97045615, 194091230, 388182460]

約数ペア:

[(1, 388182460), (2, 194091230), (4, 97045615), (5, 77636492), (10, 38818246), (20, 19409123), (1277, 303980), (2554, 151990), (5108, 75995), (6385, 60796), (12770, 30398), (15199, 25540)]