72405620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517183}}^1$

素因数の和:517199

約数の個数: 24

約数和(自身を含む): 173773824

約数和(自身を除く): 101368204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517183, 1034366, 2068732, 2585915, 3620281, 5171830, 7240562, 10343660, 14481124, 18101405, 36202810, 72405620]

約数ペア:

[(1, 72405620), (2, 36202810), (4, 18101405), (5, 14481124), (7, 10343660), (10, 7240562), (14, 5171830), (20, 3620281), (28, 2585915), (35, 2068732), (70, 1034366), (140, 517183)]