221475270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103979}}^1$

素因数の和:104060

約数の個数: 32

約数和(自身を含む): 539032320

約数和(自身を除く): 317557050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 103979, 207958, 311937, 519895, 623874, 1039790, 1559685, 3119370, 7382509, 14765018, 22147527, 36912545, 44295054, 73825090, 110737635, 221475270]

約数ペア:

[(1, 221475270), (2, 110737635), (3, 73825090), (5, 44295054), (6, 36912545), (10, 22147527), (15, 14765018), (30, 7382509), (71, 3119370), (142, 1559685), (213, 1039790), (355, 623874), (426, 519895), (710, 311937), (1065, 207958), (2130, 103979)]