219200020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11549}}^1$

素因数の和:11644

約数の個数: 48

約数和(自身を含む): 502563600

約数和(自身を除く): 283363580

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, 11549, 18980, 23098, 46196, 57745, 115490, 150137, 230980, 300274, 600548, 750685, 843077, 1501370, 1686154, 3002740, 3372308, 4215385, 8430770, 10960001, 16861540, 21920002, 43840004, 54800005, 109600010, 219200020]

約数ペア:

[(1, 219200020), (2, 109600010), (4, 54800005), (5, 43840004), (10, 21920002), (13, 16861540), (20, 10960001), (26, 8430770), (52, 4215385), (65, 3372308), (73, 3002740), (130, 1686154), (146, 1501370), (260, 843077), (292, 750685), (365, 600548), (730, 300274), (949, 230980), (1460, 150137), (1898, 115490), (3796, 57745), (4745, 46196), (9490, 23098), (11549, 18980)]