278565590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{1567}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 519886080

約数和(自身を除く): 241320490

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 613, 1226, 1567, 3065, 3134, 6130, 7835, 15670, 17777, 35554, 45443, 88885, 90886, 177770, 227215, 454430, 960571, 1921142, 4802855, 9605710, 27856559, 55713118, 139282795, 278565590]

約数ペア:

[(1, 278565590), (2, 139282795), (5, 55713118), (10, 27856559), (29, 9605710), (58, 4802855), (145, 1921142), (290, 960571), (613, 454430), (1226, 227215), (1567, 177770), (3065, 90886), (3134, 88885), (6130, 45443), (7835, 35554), (15670, 17777)]