157521770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 330995808

約数和(自身を除く): 173474038

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 563, 571, 1126, 1142, 2815, 2855, 3941, 3997, 5630, 5710, 7882, 7994, 19705, 19985, 27587, 27979, 39410, 39970, 55174, 55958, 137935, 139895, 275870, 279790, 321473, 642946, 1607365, 2250311, 3214730, 4500622, 11251555, 15752177, 22503110, 31504354, 78760885, 157521770]

約数ペア:

[(1, 157521770), (2, 78760885), (5, 31504354), (7, 22503110), (10, 15752177), (14, 11251555), (35, 4500622), (49, 3214730), (70, 2250311), (98, 1607365), (245, 642946), (490, 321473), (563, 279790), (571, 275870), (1126, 139895), (1142, 137935), (2815, 55958), (2855, 55174), (3941, 39970), (3997, 39410), (5630, 27979), (5710, 27587), (7882, 19985), (7994, 19705)]