808948420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{20563}}^1$

素因数の和:20860

約数の個数: 48

約数和(自身を含む): 1948480128

約数和(自身を除く): 1139531708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 19670, 20563, 39340, 41126, 82252, 102815, 143941, 205630, 287882, 411260, 575764, 719705, 1439410, 2878820, 5778203, 11556406, 23112812, 28891015, 40447421, 57782030, 80894842, 115564060, 161789684, 202237105, 404474210, 808948420]

約数ペア:

[(1, 808948420), (2, 404474210), (4, 202237105), (5, 161789684), (7, 115564060), (10, 80894842), (14, 57782030), (20, 40447421), (28, 28891015), (35, 23112812), (70, 11556406), (140, 5778203), (281, 2878820), (562, 1439410), (1124, 719705), (1405, 575764), (1967, 411260), (2810, 287882), (3934, 205630), (5620, 143941), (7868, 102815), (9835, 82252), (19670, 41126), (20563, 39340)]