208239080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{743711}}^1$

素因数の和:743729

約数の個数: 32

約数和(自身を含む): 535472640

約数和(自身を除く): 327233560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 743711, 1487422, 2974844, 3718555, 5205977, 5949688, 7437110, 10411954, 14874220, 20823908, 26029885, 29748440, 41647816, 52059770, 104119540, 208239080]

約数ペア:

[(1, 208239080), (2, 104119540), (4, 52059770), (5, 41647816), (7, 29748440), (8, 26029885), (10, 20823908), (14, 14874220), (20, 10411954), (28, 7437110), (35, 5949688), (40, 5205977), (56, 3718555), (70, 2974844), (140, 1487422), (280, 743711)]