398249530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{12671}}^1$

素因数の和:13134

約数の個数: 32

約数和(自身を含む): 821145600

約数和(自身を除く): 422896070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 2245, 3143, 4490, 6286, 12671, 15715, 25342, 31430, 63355, 88697, 126710, 177394, 443485, 886970, 5689279, 11378558, 28446395, 39824953, 56892790, 79649906, 199124765, 398249530]

約数ペア:

[(1, 398249530), (2, 199124765), (5, 79649906), (7, 56892790), (10, 39824953), (14, 28446395), (35, 11378558), (70, 5689279), (449, 886970), (898, 443485), (2245, 177394), (3143, 126710), (4490, 88697), (6286, 63355), (12671, 31430), (15715, 25342)]