156937480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{560491}}^1$

素因数の和:560509

約数の個数: 32

約数和(自身を含む): 403554240

約数和(自身を除く): 246616760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 560491, 1120982, 2241964, 2802455, 3923437, 4483928, 5604910, 7846874, 11209820, 15693748, 19617185, 22419640, 31387496, 39234370, 78468740, 156937480]

約数ペア:

[(1, 156937480), (2, 78468740), (4, 39234370), (5, 31387496), (7, 22419640), (8, 19617185), (10, 15693748), (14, 11209820), (20, 7846874), (28, 5604910), (35, 4483928), (40, 3923437), (56, 2802455), (70, 2241964), (140, 1120982), (280, 560491)]