90852940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 205193520

約数和(自身を除く): 114340580

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 163, 290, 310, 326, 580, 620, 652, 815, 899, 961, 1630, 1798, 1922, 3260, 3596, 3844, 4495, 4727, 4805, 5053, 8990, 9454, 9610, 10106, 17980, 18908, 19220, 20212, 23635, 25265, 27869, 47270, 50530, 55738, 94540, 101060, 111476, 139345, 146537, 156643, 278690, 293074, 313286, 557380, 586148, 626572, 732685, 783215, 1465370, 1566430, 2930740, 3132860, 4542647, 9085294, 18170588, 22713235, 45426470, 90852940]

約数ペア:

[(1, 90852940), (2, 45426470), (4, 22713235), (5, 18170588), (10, 9085294), (20, 4542647), (29, 3132860), (31, 2930740), (58, 1566430), (62, 1465370), (116, 783215), (124, 732685), (145, 626572), (155, 586148), (163, 557380), (290, 313286), (310, 293074), (326, 278690), (580, 156643), (620, 146537), (652, 139345), (815, 111476), (899, 101060), (961, 94540), (1630, 55738), (1798, 50530), (1922, 47270), (3260, 27869), (3596, 25265), (3844, 23635), (4495, 20212), (4727, 19220), (4805, 18908), (5053, 17980), (8990, 10106), (9454, 9610)]