861822340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{14957}}^1$

素因数の和:15076

約数の個数: 48

約数和(自身を含む): 1879682112

約数和(自身を除く): 1017859772

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 5762, 11524, 14405, 14957, 28810, 29914, 57620, 59828, 74785, 149570, 299140, 643151, 1002119, 1286302, 2004238, 2572604, 3215755, 4008476, 5010595, 6431510, 10021190, 12863020, 20042380, 43091117, 86182234, 172364468, 215455585, 430911170, 861822340]

約数ペア:

[(1, 861822340), (2, 430911170), (4, 215455585), (5, 172364468), (10, 86182234), (20, 43091117), (43, 20042380), (67, 12863020), (86, 10021190), (134, 6431510), (172, 5010595), (215, 4008476), (268, 3215755), (335, 2572604), (430, 2004238), (670, 1286302), (860, 1002119), (1340, 643151), (2881, 299140), (5762, 149570), (11524, 74785), (14405, 59828), (14957, 57620), (28810, 29914)]