131315240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{468983}}^1$

素因数の和:469001

約数の個数: 32

約数和(自身を含む): 337668480

約数和(自身を除く): 206353240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 468983, 937966, 1875932, 2344915, 3282881, 3751864, 4689830, 6565762, 9379660, 13131524, 16414405, 18759320, 26263048, 32828810, 65657620, 131315240]

約数ペア:

[(1, 131315240), (2, 65657620), (4, 32828810), (5, 26263048), (7, 18759320), (8, 16414405), (10, 13131524), (14, 9379660), (20, 6565762), (28, 4689830), (35, 3751864), (40, 3282881), (56, 2344915), (70, 1875932), (140, 937966), (280, 468983)]