220620100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{51307}}^1$

素因数の和:51364

約数の個数: 36

約数和(自身を含む): 489888784

約数和(自身を除く): 269268684

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 51307, 102614, 205228, 256535, 513070, 1026140, 1282675, 2206201, 2565350, 4412402, 5130700, 8824804, 11031005, 22062010, 44124020, 55155025, 110310050, 220620100]

約数ペア:

[(1, 220620100), (2, 110310050), (4, 55155025), (5, 44124020), (10, 22062010), (20, 11031005), (25, 8824804), (43, 5130700), (50, 4412402), (86, 2565350), (100, 2206201), (172, 1282675), (215, 1026140), (430, 513070), (860, 256535), (1075, 205228), (2150, 102614), (4300, 51307)]