142943390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{7867}}^1$

素因数の和:7976

約数の個数: 32

約数和(自身を含む): 271918080

約数和(自身を除く): 128974690

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 7867, 9085, 15734, 18170, 39335, 78670, 180941, 361882, 621493, 904705, 1242986, 1809410, 3107465, 6214930, 14294339, 28588678, 71471695, 142943390]

約数ペア:

[(1, 142943390), (2, 71471695), (5, 28588678), (10, 14294339), (23, 6214930), (46, 3107465), (79, 1809410), (115, 1242986), (158, 904705), (230, 621493), (395, 361882), (790, 180941), (1817, 78670), (3634, 39335), (7867, 18170), (9085, 15734)]