28830260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 33585100

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 257, 284, 316, 355, 395, 514, 710, 790, 1028, 1285, 1420, 1580, 2570, 5140, 5609, 11218, 18247, 20303, 22436, 28045, 36494, 40606, 56090, 72988, 81212, 91235, 101515, 112180, 182470, 203030, 364940, 406060, 1441513, 2883026, 5766052, 7207565, 14415130, 28830260]

約数ペア:

[(1, 28830260), (2, 14415130), (4, 7207565), (5, 5766052), (10, 2883026), (20, 1441513), (71, 406060), (79, 364940), (142, 203030), (158, 182470), (257, 112180), (284, 101515), (316, 91235), (355, 81212), (395, 72988), (514, 56090), (710, 40606), (790, 36494), (1028, 28045), (1285, 22436), (1420, 20303), (1580, 18247), (2570, 11218), (5140, 5609)]