745650980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{471931}}^1$

素因数の和:472019

約数の個数: 24

約数和(自身を含む): 1585691520

約数和(自身を除く): 840040540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 471931, 943862, 1887724, 2359655, 4719310, 9438620, 37282549, 74565098, 149130196, 186412745, 372825490, 745650980]

約数ペア:

[(1, 745650980), (2, 372825490), (4, 186412745), (5, 149130196), (10, 74565098), (20, 37282549), (79, 9438620), (158, 4719310), (316, 2359655), (395, 1887724), (790, 943862), (1580, 471931)]