201538120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719779}}^1$

素因数の和:719797

約数の個数: 32

約数和(自身を含む): 518241600

約数和(自身を除く): 316703480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719779, 1439558, 2879116, 3598895, 5038453, 5758232, 7197790, 10076906, 14395580, 20153812, 25192265, 28791160, 40307624, 50384530, 100769060, 201538120]

約数ペア:

[(1, 201538120), (2, 100769060), (4, 50384530), (5, 40307624), (7, 28791160), (8, 25192265), (10, 20153812), (14, 14395580), (20, 10076906), (28, 7197790), (35, 5758232), (40, 5038453), (56, 3598895), (70, 2879116), (140, 1439558), (280, 719779)]