220222400

素因数分解:

$2^6\times 5^2\times {\mathrm{137639}}^1$

素因数の和:137661

約数の個数: 42

約数和(自身を含む): 541888680

約数和(自身を除く): 321666280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 137639, 275278, 550556, 688195, 1101112, 1376390, 2202224, 2752780, 3440975, 4404448, 5505560, 6881950, 8808896, 11011120, 13763900, 22022240, 27527800, 44044480, 55055600, 110111200, 220222400]

約数ペア:

[(1, 220222400), (2, 110111200), (4, 55055600), (5, 44044480), (8, 27527800), (10, 22022240), (16, 13763900), (20, 11011120), (25, 8808896), (32, 6881950), (40, 5505560), (50, 4404448), (64, 3440975), (80, 2752780), (100, 2202224), (160, 1376390), (200, 1101112), (320, 688195), (400, 550556), (800, 275278), (1600, 137639)]