27993980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 68838336

約数和(自身を除く): 40844356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4877, 5740, 9754, 19508, 24385, 34139, 48770, 68278, 97540, 136556, 170695, 199957, 341390, 399914, 682780, 799828, 999785, 1399699, 1999570, 2799398, 3999140, 5598796, 6998495, 13996990, 27993980]

約数ペア:

[(1, 27993980), (2, 13996990), (4, 6998495), (5, 5598796), (7, 3999140), (10, 2799398), (14, 1999570), (20, 1399699), (28, 999785), (35, 799828), (41, 682780), (70, 399914), (82, 341390), (140, 199957), (164, 170695), (205, 136556), (287, 97540), (410, 68278), (574, 48770), (820, 34139), (1148, 24385), (1435, 19508), (2870, 9754), (4877, 5740)]