7718620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4241}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 19954368

約数和(自身を除く): 12235748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4241, 8482, 16964, 21205, 29687, 42410, 55133, 59374, 84820, 110266, 118748, 148435, 220532, 275665, 296870, 385931, 551330, 593740, 771862, 1102660, 1543724, 1929655, 3859310, 7718620]

約数ペア:

[(1, 7718620), (2, 3859310), (4, 1929655), (5, 1543724), (7, 1102660), (10, 771862), (13, 593740), (14, 551330), (20, 385931), (26, 296870), (28, 275665), (35, 220532), (52, 148435), (65, 118748), (70, 110266), (91, 84820), (130, 59374), (140, 55133), (182, 42410), (260, 29687), (364, 21205), (455, 16964), (910, 8482), (1820, 4241)]