8428900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2764

約数の個数: 36

約数和(自身を含む): 18887680

約数和(自身を除く): 10458780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 2719, 3100, 5438, 10876, 13595, 27190, 54380, 67975, 84289, 135950, 168578, 271900, 337156, 421445, 842890, 1685780, 2107225, 4214450, 8428900]

約数ペア:

[(1, 8428900), (2, 4214450), (4, 2107225), (5, 1685780), (10, 842890), (20, 421445), (25, 337156), (31, 271900), (50, 168578), (62, 135950), (100, 84289), (124, 67975), (155, 54380), (310, 27190), (620, 13595), (775, 10876), (1550, 5438), (2719, 3100)]