2478090620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{518429}}^1$

素因数の和:518677

約数の個数: 24

約数和(自身を含む): 5225774400

約数和(自身を除く): 2747683780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 518429, 1036858, 2073716, 2592145, 5184290, 10368580, 123904531, 247809062, 495618124, 619522655, 1239045310, 2478090620]

約数ペア:

[(1, 2478090620), (2, 1239045310), (4, 619522655), (5, 495618124), (10, 247809062), (20, 123904531), (239, 10368580), (478, 5184290), (956, 2592145), (1195, 2073716), (2390, 1036858), (4780, 518429)]