51413740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 131114592

約数和(自身を除く): 79700852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2281, 3220, 4508, 4562, 5635, 9124, 11270, 11405, 15967, 22540, 22810, 31934, 45620, 52463, 63868, 79835, 104926, 111769, 159670, 209852, 223538, 262315, 319340, 367241, 447076, 524630, 558845, 734482, 1049260, 1117690, 1468964, 1836205, 2235380, 2570687, 3672410, 5141374, 7344820, 10282748, 12853435, 25706870, 51413740]

約数ペア:

[(1, 51413740), (2, 25706870), (4, 12853435), (5, 10282748), (7, 7344820), (10, 5141374), (14, 3672410), (20, 2570687), (23, 2235380), (28, 1836205), (35, 1468964), (46, 1117690), (49, 1049260), (70, 734482), (92, 558845), (98, 524630), (115, 447076), (140, 367241), (161, 319340), (196, 262315), (230, 223538), (245, 209852), (322, 159670), (460, 111769), (490, 104926), (644, 79835), (805, 63868), (980, 52463), (1127, 45620), (1610, 31934), (2254, 22810), (2281, 22540), (3220, 15967), (4508, 11405), (4562, 11270), (5635, 9124)]