49818020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{683}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 119968128

約数和(自身を除く): 70150108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 683, 1042, 1366, 2084, 2605, 2732, 3415, 3647, 4781, 5210, 6830, 7294, 9562, 10420, 13660, 14588, 18235, 19124, 23905, 36470, 47810, 72940, 95620, 355843, 711686, 1423372, 1779215, 2490901, 3558430, 4981802, 7116860, 9963604, 12454505, 24909010, 49818020]

約数ペア:

[(1, 49818020), (2, 24909010), (4, 12454505), (5, 9963604), (7, 7116860), (10, 4981802), (14, 3558430), (20, 2490901), (28, 1779215), (35, 1423372), (70, 711686), (140, 355843), (521, 95620), (683, 72940), (1042, 47810), (1366, 36470), (2084, 23905), (2605, 19124), (2732, 18235), (3415, 14588), (3647, 13660), (4781, 10420), (5210, 9562), (6830, 7294)]