31857070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 70004736

約数和(自身を除く): 38147666

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 70, 94, 115, 161, 230, 235, 322, 329, 421, 470, 658, 805, 842, 1081, 1610, 1645, 2105, 2162, 2947, 3290, 4210, 5405, 5894, 7567, 9683, 10810, 14735, 15134, 19366, 19787, 29470, 37835, 39574, 48415, 67781, 75670, 96830, 98935, 135562, 138509, 197870, 277018, 338905, 455101, 677810, 692545, 910202, 1385090, 2275505, 3185707, 4551010, 6371414, 15928535, 31857070]

約数ペア:

[(1, 31857070), (2, 15928535), (5, 6371414), (7, 4551010), (10, 3185707), (14, 2275505), (23, 1385090), (35, 910202), (46, 692545), (47, 677810), (70, 455101), (94, 338905), (115, 277018), (161, 197870), (230, 138509), (235, 135562), (322, 98935), (329, 96830), (421, 75670), (470, 67781), (658, 48415), (805, 39574), (842, 37835), (1081, 29470), (1610, 19787), (1645, 19366), (2105, 15134), (2162, 14735), (2947, 10810), (3290, 9683), (4210, 7567), (5405, 5894)]