279463240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{998083}}^1$

素因数の和:998101

約数の個数: 32

約数和(自身を含む): 718620480

約数和(自身を除く): 439157240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 998083, 1996166, 3992332, 4990415, 6986581, 7984664, 9980830, 13973162, 19961660, 27946324, 34932905, 39923320, 55892648, 69865810, 139731620, 279463240]

約数ペア:

[(1, 279463240), (2, 139731620), (4, 69865810), (5, 55892648), (7, 39923320), (8, 34932905), (10, 27946324), (14, 19961660), (20, 13973162), (28, 9980830), (35, 7984664), (40, 6986581), (56, 4990415), (70, 3992332), (140, 1996166), (280, 998083)]