2154140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2672164

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 71, 74, 82, 142, 148, 164, 185, 205, 284, 355, 370, 410, 710, 740, 820, 1420, 1517, 2627, 2911, 3034, 5254, 5822, 6068, 7585, 10508, 11644, 13135, 14555, 15170, 26270, 29110, 30340, 52540, 58220, 107707, 215414, 430828, 538535, 1077070, 2154140]

約数ペア:

[(1, 2154140), (2, 1077070), (4, 538535), (5, 430828), (10, 215414), (20, 107707), (37, 58220), (41, 52540), (71, 30340), (74, 29110), (82, 26270), (142, 15170), (148, 14555), (164, 13135), (185, 11644), (205, 10508), (284, 7585), (355, 6068), (370, 5822), (410, 5254), (710, 3034), (740, 2911), (820, 2627), (1420, 1517)]