49853740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 107251200

約数和(自身を除く): 57397460

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 227, 278, 316, 395, 454, 556, 695, 790, 908, 1135, 1390, 1580, 2270, 2780, 4540, 10981, 17933, 21962, 31553, 35866, 43924, 54905, 63106, 71732, 89665, 109810, 126212, 157765, 179330, 219620, 315530, 358660, 631060, 2492687, 4985374, 9970748, 12463435, 24926870, 49853740]

約数ペア:

[(1, 49853740), (2, 24926870), (4, 12463435), (5, 9970748), (10, 4985374), (20, 2492687), (79, 631060), (139, 358660), (158, 315530), (227, 219620), (278, 179330), (316, 157765), (395, 126212), (454, 109810), (556, 89665), (695, 71732), (790, 63106), (908, 54905), (1135, 43924), (1390, 35866), (1580, 31553), (2270, 21962), (2780, 17933), (4540, 10981)]