39219740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{613}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 94487232

約数和(自身を除く): 55267492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 613, 914, 1226, 1828, 2285, 2452, 3065, 3199, 4291, 4570, 6130, 6398, 8582, 9140, 12260, 12796, 15995, 17164, 21455, 31990, 42910, 63980, 85820, 280141, 560282, 1120564, 1400705, 1960987, 2801410, 3921974, 5602820, 7843948, 9804935, 19609870, 39219740]

約数ペア:

[(1, 39219740), (2, 19609870), (4, 9804935), (5, 7843948), (7, 5602820), (10, 3921974), (14, 2801410), (20, 1960987), (28, 1400705), (35, 1120564), (70, 560282), (140, 280141), (457, 85820), (613, 63980), (914, 42910), (1226, 31990), (1828, 21455), (2285, 17164), (2452, 15995), (3065, 12796), (3199, 12260), (4291, 9140), (4570, 8582), (6130, 6398)]