220236445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18119}}^1$

素因数の和:18165

約数の個数: 32

約数和(自身を含む): 328769280

約数和(自身を除く): 108532835

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 18119, 90595, 199309, 235547, 308023, 996545, 1177735, 1540115, 2591017, 3388253, 4004299, 12955085, 16941265, 20021495, 44047289, 220236445]

約数ペア:

[(1, 220236445), (5, 44047289), (11, 20021495), (13, 16941265), (17, 12955085), (55, 4004299), (65, 3388253), (85, 2591017), (143, 1540115), (187, 1177735), (221, 996545), (715, 308023), (935, 235547), (1105, 199309), (2431, 90595), (12155, 18119)]