204965020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10799}}^1$

素因数の和:10894

約数の個数: 48

約数和(自身を含む): 469929600

約数和(自身を除く): 264964580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 10799, 18980, 21598, 43196, 53995, 107990, 140387, 215980, 280774, 561548, 701935, 788327, 1403870, 1576654, 2807740, 3153308, 3941635, 7883270, 10248251, 15766540, 20496502, 40993004, 51241255, 102482510, 204965020]

約数ペア:

[(1, 204965020), (2, 102482510), (4, 51241255), (5, 40993004), (10, 20496502), (13, 15766540), (20, 10248251), (26, 7883270), (52, 3941635), (65, 3153308), (73, 2807740), (130, 1576654), (146, 1403870), (260, 788327), (292, 701935), (365, 561548), (730, 280774), (949, 215980), (1460, 140387), (1898, 107990), (3796, 53995), (4745, 43196), (9490, 21598), (10799, 18980)]