51143260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 130425120

約数和(自身を除く): 79281860

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, 2269, 3220, 4508, 4538, 5635, 9076, 11270, 11345, 15883, 22540, 22690, 31766, 45380, 52187, 63532, 79415, 104374, 111181, 158830, 208748, 222362, 260935, 317660, 365309, 444724, 521870, 555905, 730618, 1043740, 1111810, 1461236, 1826545, 2223620, 2557163, 3653090, 5114326, 7306180, 10228652, 12785815, 25571630, 51143260]

約数ペア:

[(1, 51143260), (2, 25571630), (4, 12785815), (5, 10228652), (7, 7306180), (10, 5114326), (14, 3653090), (20, 2557163), (23, 2223620), (28, 1826545), (35, 1461236), (46, 1111810), (49, 1043740), (70, 730618), (92, 555905), (98, 521870), (115, 444724), (140, 365309), (161, 317660), (196, 260935), (230, 222362), (245, 208748), (322, 158830), (460, 111181), (490, 104374), (644, 79415), (805, 63532), (980, 52187), (1127, 45380), (1610, 31766), (2254, 22690), (2269, 22540), (3220, 15883), (4508, 11345), (4538, 11270), (5635, 9076)]