140984980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89231}}^1$

素因数の和:89319

約数の個数: 24

約数和(自身を含む): 299819520

約数和(自身を除く): 158834540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 89231, 178462, 356924, 446155, 892310, 1784620, 7049249, 14098498, 28196996, 35246245, 70492490, 140984980]

約数ペア:

[(1, 140984980), (2, 70492490), (4, 35246245), (5, 28196996), (10, 14098498), (20, 7049249), (79, 1784620), (158, 892310), (316, 446155), (395, 356924), (790, 178462), (1580, 89231)]