238226480

素因数分解:

$2^4\times 5^1\times {\mathrm{2977831}}^1$

素因数の和:2977844

約数の個数: 20

約数和(自身を含む): 553876752

約数和(自身を除く): 315650272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2977831, 5955662, 11911324, 14889155, 23822648, 29778310, 47645296, 59556620, 119113240, 238226480]

約数ペア:

[(1, 238226480), (2, 119113240), (4, 59556620), (5, 47645296), (8, 29778310), (10, 23822648), (16, 14889155), (20, 11911324), (40, 5955662), (80, 2977831)]