219902810

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 401732352

約数和(自身を除く): 181829542

約数列:

[1, 2, 5, 10, 137, 151, 274, 302, 685, 755, 1063, 1370, 1510, 2126, 5315, 10630, 20687, 41374, 103435, 145631, 160513, 206870, 291262, 321026, 728155, 802565, 1456310, 1605130, 21990281, 43980562, 109951405, 219902810]

約数ペア:

[(1, 219902810), (2, 109951405), (5, 43980562), (10, 21990281), (137, 1605130), (151, 1456310), (274, 802565), (302, 728155), (685, 321026), (755, 291262), (1063, 206870), (1370, 160513), (1510, 145631), (2126, 103435), (5315, 41374), (10630, 20687)]