28754930

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 24104590

約数列:

[1, 2, 5, 10, 137, 139, 151, 274, 278, 302, 685, 695, 755, 1370, 1390, 1510, 19043, 20687, 20989, 38086, 41374, 41978, 95215, 103435, 104945, 190430, 206870, 209890, 2875493, 5750986, 14377465, 28754930]

約数ペア:

[(1, 28754930), (2, 14377465), (5, 5750986), (10, 2875493), (137, 209890), (139, 206870), (151, 190430), (274, 104945), (278, 103435), (302, 95215), (685, 41978), (695, 41374), (755, 38086), (1370, 20989), (1390, 20687), (1510, 19043)]