4890340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2687}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 12644352

約数和(自身を除く): 7754012

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, 2687, 5374, 10748, 13435, 18809, 26870, 34931, 37618, 53740, 69862, 75236, 94045, 139724, 174655, 188090, 244517, 349310, 376180, 489034, 698620, 978068, 1222585, 2445170, 4890340]

約数ペア:

[(1, 4890340), (2, 2445170), (4, 1222585), (5, 978068), (7, 698620), (10, 489034), (13, 376180), (14, 349310), (20, 244517), (26, 188090), (28, 174655), (35, 139724), (52, 94045), (65, 75236), (70, 69862), (91, 53740), (130, 37618), (140, 34931), (182, 26870), (260, 18809), (364, 13435), (455, 10748), (910, 5374), (1820, 2687)]