87059420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2213}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 209780928

約数和(自身を除く): 122721508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2213, 2810, 3934, 4426, 5620, 7868, 8852, 9835, 11065, 15491, 19670, 22130, 30982, 39340, 44260, 61964, 77455, 154910, 309820, 621853, 1243706, 2487412, 3109265, 4352971, 6218530, 8705942, 12437060, 17411884, 21764855, 43529710, 87059420]

約数ペア:

[(1, 87059420), (2, 43529710), (4, 21764855), (5, 17411884), (7, 12437060), (10, 8705942), (14, 6218530), (20, 4352971), (28, 3109265), (35, 2487412), (70, 1243706), (140, 621853), (281, 309820), (562, 154910), (1124, 77455), (1405, 61964), (1967, 44260), (2213, 39340), (2810, 30982), (3934, 22130), (4426, 19670), (5620, 15491), (7868, 11065), (8852, 9835)]