2019953140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{230063}}^1$

素因数の和:230511

約数の個数: 24

約数和(自身を含む): 4251582720

約数和(自身を除く): 2231629580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 230063, 460126, 920252, 1150315, 2300630, 4601260, 100997657, 201995314, 403990628, 504988285, 1009976570, 2019953140]

約数ペア:

[(1, 2019953140), (2, 1009976570), (4, 504988285), (5, 403990628), (10, 201995314), (20, 100997657), (439, 4601260), (878, 2300630), (1756, 1150315), (2195, 920252), (4390, 460126), (8780, 230063)]