139456420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{30449}}^1$

素因数の和:30687

約数の個数: 24

約数和(自身を含む): 294147000

約数和(自身を除く): 154690580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 30449, 60898, 121796, 152245, 304490, 608980, 6972821, 13945642, 27891284, 34864105, 69728210, 139456420]

約数ペア:

[(1, 139456420), (2, 69728210), (4, 34864105), (5, 27891284), (10, 13945642), (20, 6972821), (229, 608980), (458, 304490), (916, 152245), (1145, 121796), (2290, 60898), (4580, 30449)]