201986680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721381}}^1$

素因数の和:721399

約数の個数: 32

約数和(自身を含む): 519395040

約数和(自身を除く): 317408360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721381, 1442762, 2885524, 3606905, 5049667, 5771048, 7213810, 10099334, 14427620, 20198668, 25248335, 28855240, 40397336, 50496670, 100993340, 201986680]

約数ペア:

[(1, 201986680), (2, 100993340), (4, 50496670), (5, 40397336), (7, 28855240), (8, 25248335), (10, 20198668), (14, 14427620), (20, 10099334), (28, 7213810), (35, 5771048), (40, 5049667), (56, 3606905), (70, 2885524), (140, 1442762), (280, 721381)]