77219380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1949}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 186076800

約数和(自身を除く): 108857420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1949, 1981, 2830, 3898, 3962, 5660, 7796, 7924, 9745, 9905, 13643, 19490, 19810, 27286, 38980, 39620, 54572, 68215, 136430, 272860, 551567, 1103134, 2206268, 2757835, 3860969, 5515670, 7721938, 11031340, 15443876, 19304845, 38609690, 77219380]

約数ペア:

[(1, 77219380), (2, 38609690), (4, 19304845), (5, 15443876), (7, 11031340), (10, 7721938), (14, 5515670), (20, 3860969), (28, 2757835), (35, 2206268), (70, 1103134), (140, 551567), (283, 272860), (566, 136430), (1132, 68215), (1415, 54572), (1949, 39620), (1981, 38980), (2830, 27286), (3898, 19810), (3962, 19490), (5660, 13643), (7796, 9905), (7924, 9745)]