72140500

素因数分解:

$2^2\times 5^3\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 158505984

約数和(自身を除く): 86365484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 223, 250, 446, 500, 647, 892, 1115, 1294, 2230, 2588, 3235, 4460, 5575, 6470, 11150, 12940, 16175, 22300, 27875, 32350, 55750, 64700, 80875, 111500, 144281, 161750, 288562, 323500, 577124, 721405, 1442810, 2885620, 3607025, 7214050, 14428100, 18035125, 36070250, 72140500]

約数ペア:

[(1, 72140500), (2, 36070250), (4, 18035125), (5, 14428100), (10, 7214050), (20, 3607025), (25, 2885620), (50, 1442810), (100, 721405), (125, 577124), (223, 323500), (250, 288562), (446, 161750), (500, 144281), (647, 111500), (892, 80875), (1115, 64700), (1294, 55750), (2230, 32350), (2588, 27875), (3235, 22300), (4460, 16175), (5575, 12940), (6470, 11150)]