129998120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{464279}}^1$

素因数の和:464297

約数の個数: 32

約数和(自身を含む): 334281600

約数和(自身を除く): 204283480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 464279, 928558, 1857116, 2321395, 3249953, 3714232, 4642790, 6499906, 9285580, 12999812, 16249765, 18571160, 25999624, 32499530, 64999060, 129998120]

約数ペア:

[(1, 129998120), (2, 64999060), (4, 32499530), (5, 25999624), (7, 18571160), (8, 16249765), (10, 12999812), (14, 9285580), (20, 6499906), (28, 4642790), (35, 3714232), (40, 3249953), (56, 2321395), (70, 1857116), (140, 928558), (280, 464279)]