2745740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 6193152

約数和(自身を除く): 3447412

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 127, 188, 230, 235, 254, 460, 470, 508, 635, 940, 1081, 1270, 2162, 2540, 2921, 4324, 5405, 5842, 5969, 10810, 11684, 11938, 14605, 21620, 23876, 29210, 29845, 58420, 59690, 119380, 137287, 274574, 549148, 686435, 1372870, 2745740]

約数ペア:

[(1, 2745740), (2, 1372870), (4, 686435), (5, 549148), (10, 274574), (20, 137287), (23, 119380), (46, 59690), (47, 58420), (92, 29845), (94, 29210), (115, 23876), (127, 21620), (188, 14605), (230, 11938), (235, 11684), (254, 10810), (460, 5969), (470, 5842), (508, 5405), (635, 4324), (940, 2921), (1081, 2540), (1270, 2162)]