280520072

素因数分解:

$2^3\times 7^1\times {\mathrm{5009287}}^1$

素因数の和:5009300

約数の個数: 16

約数和(自身を含む): 601114560

約数和(自身を除く): 320594488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5009287, 10018574, 20037148, 35065009, 40074296, 70130018, 140260036, 280520072]

約数ペア:

[(1, 280520072), (2, 140260036), (4, 70130018), (7, 40074296), (8, 35065009), (14, 20037148), (28, 10018574), (56, 5009287)]