8445271780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{244507}}^1$

素因数の和:244684

約数の個数: 48

約数和(自身を含む): 19470661056

約数和(自身を除く): 11025389276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8635, 17270, 34540, 244507, 489014, 978028, 1222535, 2445070, 2689577, 4890140, 5379154, 10758308, 13447885, 26895770, 38387599, 53791540, 76775198, 153550396, 191937995, 383875990, 422263589, 767751980, 844527178, 1689054356, 2111317945, 4222635890, 8445271780]

約数ペア:

[(1, 8445271780), (2, 4222635890), (4, 2111317945), (5, 1689054356), (10, 844527178), (11, 767751980), (20, 422263589), (22, 383875990), (44, 191937995), (55, 153550396), (110, 76775198), (157, 53791540), (220, 38387599), (314, 26895770), (628, 13447885), (785, 10758308), (1570, 5379154), (1727, 4890140), (3140, 2689577), (3454, 2445070), (6908, 1222535), (8635, 978028), (17270, 489014), (34540, 244507)]