220163750

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2090

約数の個数: 40

約数和(自身を含む): 417522600

約数和(自身を除く): 197358850

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 890, 1250, 1979, 2225, 3958, 4450, 9895, 11125, 19790, 22250, 49475, 55625, 98950, 111250, 176131, 247375, 352262, 494750, 880655, 1236875, 1761310, 2473750, 4403275, 8806550, 22016375, 44032750, 110081875, 220163750]

約数ペア:

[(1, 220163750), (2, 110081875), (5, 44032750), (10, 22016375), (25, 8806550), (50, 4403275), (89, 2473750), (125, 1761310), (178, 1236875), (250, 880655), (445, 494750), (625, 352262), (890, 247375), (1250, 176131), (1979, 111250), (2225, 98950), (3958, 55625), (4450, 49475), (9895, 22250), (11125, 19790)]