90677780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 199584000

約数和(自身を除く): 108906220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 1979, 2291, 3958, 4582, 7916, 9164, 9895, 11455, 19790, 22910, 39580, 45820, 57391, 114782, 156341, 229564, 286955, 312682, 573910, 625364, 781705, 1147820, 1563410, 3126820, 4533889, 9067778, 18135556, 22669445, 45338890, 90677780]

約数ペア:

[(1, 90677780), (2, 45338890), (4, 22669445), (5, 18135556), (10, 9067778), (20, 4533889), (29, 3126820), (58, 1563410), (79, 1147820), (116, 781705), (145, 625364), (158, 573910), (290, 312682), (316, 286955), (395, 229564), (580, 156341), (790, 114782), (1580, 57391), (1979, 45820), (2291, 39580), (3958, 22910), (4582, 19790), (7916, 11455), (9164, 9895)]