4346404120

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{311347}}^1$

素因数の和:311707

約数の個数: 32

約数和(自身を含む): 9807462000

約数和(自身を除く): 5461057880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 311347, 622694, 1245388, 1556735, 2490776, 3113470, 6226940, 12453880, 108660103, 217320206, 434640412, 543300515, 869280824, 1086601030, 2173202060, 4346404120]

約数ペア:

[(1, 4346404120), (2, 2173202060), (4, 1086601030), (5, 869280824), (8, 543300515), (10, 434640412), (20, 217320206), (40, 108660103), (349, 12453880), (698, 6226940), (1396, 3113470), (1745, 2490776), (2792, 1556735), (3490, 1245388), (6980, 622694), (13960, 311347)]