404282020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{301703}}^1$

素因数の和:301779

約数の個数: 24

約数和(自身を含む): 861666624

約数和(自身を除く): 457384604

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 301703, 603406, 1206812, 1508515, 3017030, 6034060, 20214101, 40428202, 80856404, 101070505, 202141010, 404282020]

約数ペア:

[(1, 404282020), (2, 202141010), (4, 101070505), (5, 80856404), (10, 40428202), (20, 20214101), (67, 6034060), (134, 3017030), (268, 1508515), (335, 1206812), (670, 603406), (1340, 301703)]