2187930640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3907019}}^1$

素因数の和:3907039

約数の個数: 40

約数和(自身を含む): 5813645760

約数和(自身を除く): 3625715120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3907019, 7814038, 15628076, 19535095, 27349133, 31256152, 39070190, 54698266, 62512304, 78140380, 109396532, 136745665, 156280760, 218793064, 273491330, 312561520, 437586128, 546982660, 1093965320, 2187930640]

約数ペア:

[(1, 2187930640), (2, 1093965320), (4, 546982660), (5, 437586128), (7, 312561520), (8, 273491330), (10, 218793064), (14, 156280760), (16, 136745665), (20, 109396532), (28, 78140380), (35, 62512304), (40, 54698266), (56, 39070190), (70, 31256152), (80, 27349133), (112, 19535095), (140, 15628076), (280, 7814038), (560, 3907019)]