4004590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 7539840

約数和(自身を除く): 3535250

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 139, 215, 278, 335, 430, 670, 695, 1390, 2881, 5762, 5977, 9313, 11954, 14405, 18626, 28810, 29885, 46565, 59770, 93130, 400459, 800918, 2002295, 4004590]

約数ペア:

[(1, 4004590), (2, 2002295), (5, 800918), (10, 400459), (43, 93130), (67, 59770), (86, 46565), (134, 29885), (139, 28810), (215, 18626), (278, 14405), (335, 11954), (430, 9313), (670, 5977), (695, 5762), (1390, 2881)]