28979950

素因数分解:

$2^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{2531}}^1$

素因数の和:2772

約数の個数: 24

約数和(自身を含む): 54159480

約数和(自身を除く): 25179530

約数列:

[1, 2, 5, 10, 25, 50, 229, 458, 1145, 2290, 2531, 5062, 5725, 11450, 12655, 25310, 63275, 126550, 579599, 1159198, 2897995, 5795990, 14489975, 28979950]

約数ペア:

[(1, 28979950), (2, 14489975), (5, 5795990), (10, 2897995), (25, 1159198), (50, 579599), (229, 126550), (458, 63275), (1145, 25310), (2290, 12655), (2531, 11450), (5062, 5725)]