218363080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419929}}^1$

素因数の和:419953

約数の個数: 32

約数和(自身を含む): 529111800

約数和(自身を除く): 310748720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 419929, 839858, 1679716, 2099645, 3359432, 4199290, 5459077, 8398580, 10918154, 16797160, 21836308, 27295385, 43672616, 54590770, 109181540, 218363080]

約数ペア:

[(1, 218363080), (2, 109181540), (4, 54590770), (5, 43672616), (8, 27295385), (10, 21836308), (13, 16797160), (20, 10918154), (26, 8398580), (40, 5459077), (52, 4199290), (65, 3359432), (104, 2099645), (130, 1679716), (260, 839858), (520, 419929)]