1355620

素因数分解:

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

素因数の和:460

約数の個数: 48

約数和(自身を含む): 3403008

約数和(自身を除く): 2047388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 421, 460, 644, 805, 842, 1610, 1684, 2105, 2947, 3220, 4210, 5894, 8420, 9683, 11788, 14735, 19366, 29470, 38732, 48415, 58940, 67781, 96830, 135562, 193660, 271124, 338905, 677810, 1355620]

約数ペア:

[(1, 1355620), (2, 677810), (4, 338905), (5, 271124), (7, 193660), (10, 135562), (14, 96830), (20, 67781), (23, 58940), (28, 48415), (35, 38732), (46, 29470), (70, 19366), (92, 14735), (115, 11788), (140, 9683), (161, 8420), (230, 5894), (322, 4210), (421, 3220), (460, 2947), (644, 2105), (805, 1684), (842, 1610)]