131566120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469879}}^1$

素因数の和:469897

約数の個数: 32

約数和(自身を含む): 338313600

約数和(自身を除く): 206747480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469879, 939758, 1879516, 2349395, 3289153, 3759032, 4698790, 6578306, 9397580, 13156612, 16445765, 18795160, 26313224, 32891530, 65783060, 131566120]

約数ペア:

[(1, 131566120), (2, 65783060), (4, 32891530), (5, 26313224), (7, 18795160), (8, 16445765), (10, 13156612), (14, 9397580), (20, 6578306), (28, 4698790), (35, 3759032), (40, 3289153), (56, 2349395), (70, 1879516), (140, 939758), (280, 469879)]