210631540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28387}}^1$

素因数の和:28456

約数の個数: 48

約数和(自身を含む): 515071872

約数和(自身を除く): 304440332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 28387, 56774, 113548, 141935, 198709, 283870, 397418, 567740, 794836, 993545, 1504511, 1987090, 3009022, 3974180, 6018044, 7522555, 10531577, 15045110, 21063154, 30090220, 42126308, 52657885, 105315770, 210631540]

約数ペア:

[(1, 210631540), (2, 105315770), (4, 52657885), (5, 42126308), (7, 30090220), (10, 21063154), (14, 15045110), (20, 10531577), (28, 7522555), (35, 6018044), (53, 3974180), (70, 3009022), (106, 1987090), (140, 1504511), (212, 993545), (265, 794836), (371, 567740), (530, 397418), (742, 283870), (1060, 198709), (1484, 141935), (1855, 113548), (3710, 56774), (7420, 28387)]