31879820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3733}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 77786688

約数和(自身を除く): 45906868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3733, 4270, 7466, 8540, 14932, 18665, 26131, 37330, 52262, 74660, 104524, 130655, 227713, 261310, 455426, 522620, 910852, 1138565, 1593991, 2277130, 3187982, 4554260, 6375964, 7969955, 15939910, 31879820]

約数ペア:

[(1, 31879820), (2, 15939910), (4, 7969955), (5, 6375964), (7, 4554260), (10, 3187982), (14, 2277130), (20, 1593991), (28, 1138565), (35, 910852), (61, 522620), (70, 455426), (122, 261310), (140, 227713), (244, 130655), (305, 104524), (427, 74660), (610, 52262), (854, 37330), (1220, 26131), (1708, 18665), (2135, 14932), (3733, 8540), (4270, 7466)]