1790140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2403140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 103, 110, 158, 206, 220, 316, 395, 412, 515, 790, 869, 1030, 1133, 1580, 1738, 2060, 2266, 3476, 4345, 4532, 5665, 8137, 8690, 11330, 16274, 17380, 22660, 32548, 40685, 81370, 89507, 162740, 179014, 358028, 447535, 895070, 1790140]

約数ペア:

[(1, 1790140), (2, 895070), (4, 447535), (5, 358028), (10, 179014), (11, 162740), (20, 89507), (22, 81370), (44, 40685), (55, 32548), (79, 22660), (103, 17380), (110, 16274), (158, 11330), (206, 8690), (220, 8137), (316, 5665), (395, 4532), (412, 4345), (515, 3476), (790, 2266), (869, 2060), (1030, 1738), (1133, 1580)]