2228900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 4999680

約数和(自身を除く): 2770780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 719, 775, 1438, 1550, 2876, 3100, 3595, 7190, 14380, 17975, 22289, 35950, 44578, 71900, 89156, 111445, 222890, 445780, 557225, 1114450, 2228900]

約数ペア:

[(1, 2228900), (2, 1114450), (4, 557225), (5, 445780), (10, 222890), (20, 111445), (25, 89156), (31, 71900), (50, 44578), (62, 35950), (100, 22289), (124, 17975), (155, 14380), (310, 7190), (620, 3595), (719, 3100), (775, 2876), (1438, 1550)]