28106120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100379}}^1$

素因数の和:100397

約数の個数: 32

約数和(自身を含む): 72273600

約数和(自身を除く): 44167480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100379, 200758, 401516, 501895, 702653, 803032, 1003790, 1405306, 2007580, 2810612, 3513265, 4015160, 5621224, 7026530, 14053060, 28106120]

約数ペア:

[(1, 28106120), (2, 14053060), (4, 7026530), (5, 5621224), (7, 4015160), (8, 3513265), (10, 2810612), (14, 2007580), (20, 1405306), (28, 1003790), (35, 803032), (40, 702653), (56, 501895), (70, 401516), (140, 200758), (280, 100379)]