387465980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{29851}}^1$

素因数の和:29930

約数の個数: 48

約数和(自身を含む): 902724480

約数和(自身を除く): 515258500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 29851, 59702, 119404, 149255, 298510, 328361, 597020, 656722, 1313444, 1641805, 1761209, 3283610, 3522418, 6567220, 7044836, 8806045, 17612090, 19373299, 35224180, 38746598, 77493196, 96866495, 193732990, 387465980]

約数ペア:

[(1, 387465980), (2, 193732990), (4, 96866495), (5, 77493196), (10, 38746598), (11, 35224180), (20, 19373299), (22, 17612090), (44, 8806045), (55, 7044836), (59, 6567220), (110, 3522418), (118, 3283610), (220, 1761209), (236, 1641805), (295, 1313444), (590, 656722), (649, 597020), (1180, 328361), (1298, 298510), (2596, 149255), (3245, 119404), (6490, 59702), (12980, 29851)]