221425730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{12517}}^1$

素因数の和:12614

約数の個数: 32

約数和(自身を含む): 419102640

約数和(自身を除く): 197676910

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 12517, 17690, 25034, 62585, 125170, 362993, 725986, 763537, 1527074, 1814965, 3629930, 3817685, 7635370, 22142573, 44285146, 110712865, 221425730]

約数ペア:

[(1, 221425730), (2, 110712865), (5, 44285146), (10, 22142573), (29, 7635370), (58, 3817685), (61, 3629930), (122, 1814965), (145, 1527074), (290, 763537), (305, 725986), (610, 362993), (1769, 125170), (3538, 62585), (8845, 25034), (12517, 17690)]