137888380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{984917}}^1$

素因数の和:984933

約数の個数: 24

約数和(自身を含む): 330932448

約数和(自身を除く): 193044068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 984917, 1969834, 3939668, 4924585, 6894419, 9849170, 13788838, 19698340, 27577676, 34472095, 68944190, 137888380]

約数ペア:

[(1, 137888380), (2, 68944190), (4, 34472095), (5, 27577676), (7, 19698340), (10, 13788838), (14, 9849170), (20, 6894419), (28, 4924585), (35, 3939668), (70, 1969834), (140, 984917)]