7904120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28229}}^1$

素因数の和:28247

約数の個数: 32

約数和(自身を含む): 20325600

約数和(自身を除く): 12421480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28229, 56458, 112916, 141145, 197603, 225832, 282290, 395206, 564580, 790412, 988015, 1129160, 1580824, 1976030, 3952060, 7904120]

約数ペア:

[(1, 7904120), (2, 3952060), (4, 1976030), (5, 1580824), (7, 1129160), (8, 988015), (10, 790412), (14, 564580), (20, 395206), (28, 282290), (35, 225832), (40, 197603), (56, 141145), (70, 112916), (140, 56458), (280, 28229)]