8884870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 16524000

約数和(自身を除く): 7639130

約数列:

[1, 2, 5, 10, 67, 89, 134, 149, 178, 298, 335, 445, 670, 745, 890, 1490, 5963, 9983, 11926, 13261, 19966, 26522, 29815, 49915, 59630, 66305, 99830, 132610, 888487, 1776974, 4442435, 8884870]

約数ペア:

[(1, 8884870), (2, 4442435), (5, 1776974), (10, 888487), (67, 132610), (89, 99830), (134, 66305), (149, 59630), (178, 49915), (298, 29815), (335, 26522), (445, 19966), (670, 13261), (745, 11926), (890, 9983), (1490, 5963)]