89906380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 196308000

約数和(自身を除く): 106401620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 379, 409, 580, 758, 818, 1516, 1636, 1895, 2045, 3790, 4090, 7580, 8180, 10991, 11861, 21982, 23722, 43964, 47444, 54955, 59305, 109910, 118610, 155011, 219820, 237220, 310022, 620044, 775055, 1550110, 3100220, 4495319, 8990638, 17981276, 22476595, 44953190, 89906380]

約数ペア:

[(1, 89906380), (2, 44953190), (4, 22476595), (5, 17981276), (10, 8990638), (20, 4495319), (29, 3100220), (58, 1550110), (116, 775055), (145, 620044), (290, 310022), (379, 237220), (409, 219820), (580, 155011), (758, 118610), (818, 109910), (1516, 59305), (1636, 54955), (1895, 47444), (2045, 43964), (3790, 23722), (4090, 21982), (7580, 11861), (8180, 10991)]