280103804908

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{1979}}^1\times {\mathrm{115259}}^1$

素因数の和:117549

約数の個数: 24

約数和(自身を含む): 492031108800

約数和(自身を除く): 211927303892

約数列:

[1, 2, 4, 307, 614, 1228, 1979, 3958, 7916, 115259, 230518, 461036, 607553, 1215106, 2430212, 35384513, 70769026, 141538052, 228097561, 456195122, 912390244, 70025951227, 140051902454, 280103804908]

約数ペア:

[(1, 280103804908), (2, 140051902454), (4, 70025951227), (307, 912390244), (614, 456195122), (1228, 228097561), (1979, 141538052), (3958, 70769026), (7916, 35384513), (115259, 2430212), (230518, 1215106), (461036, 607553)]