28139870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{733}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 55490400

約数和(自身を除く): 27350530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 698, 733, 1466, 1745, 3490, 3665, 3839, 7330, 7678, 8063, 16126, 19195, 38390, 40315, 80630, 255817, 511634, 1279085, 2558170, 2813987, 5627974, 14069935, 28139870]

約数ペア:

[(1, 28139870), (2, 14069935), (5, 5627974), (10, 2813987), (11, 2558170), (22, 1279085), (55, 511634), (110, 255817), (349, 80630), (698, 40315), (733, 38390), (1466, 19195), (1745, 16126), (3490, 8063), (3665, 7678), (3839, 7330)]