140969140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{542189}}^1$

素因数の和:542211

約数の個数: 24

約数和(自身を含む): 318807720

約数和(自身を除く): 177838580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 542189, 1084378, 2168756, 2710945, 5421890, 7048457, 10843780, 14096914, 28193828, 35242285, 70484570, 140969140]

約数ペア:

[(1, 140969140), (2, 70484570), (4, 35242285), (5, 28193828), (10, 14096914), (13, 10843780), (20, 7048457), (26, 5421890), (52, 2710945), (65, 2168756), (130, 1084378), (260, 542189)]