31494820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9781}}^1$

素因数の和:9820

約数の個数: 48

約数和(自身を含む): 78882048

約数和(自身を除く): 47387228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9781, 19562, 39124, 48905, 68467, 97810, 136934, 195620, 224963, 273868, 342335, 449926, 684670, 899852, 1124815, 1369340, 1574741, 2249630, 3149482, 4499260, 6298964, 7873705, 15747410, 31494820]

約数ペア:

[(1, 31494820), (2, 15747410), (4, 7873705), (5, 6298964), (7, 4499260), (10, 3149482), (14, 2249630), (20, 1574741), (23, 1369340), (28, 1124815), (35, 899852), (46, 684670), (70, 449926), (92, 342335), (115, 273868), (140, 224963), (161, 195620), (230, 136934), (322, 97810), (460, 68467), (644, 48905), (805, 39124), (1610, 19562), (3220, 9781)]