2009387620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{4177}}^1$

素因数の和:4612

約数の個数: 48

約数和(自身を含む): 4295652480

約数和(自身を除く): 2286264860

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 359, 670, 718, 1340, 1436, 1795, 3590, 4177, 7180, 8354, 16708, 20885, 24053, 41770, 48106, 83540, 96212, 120265, 240530, 279859, 481060, 559718, 1119436, 1399295, 1499543, 2798590, 2999086, 5597180, 5998172, 7497715, 14995430, 29990860, 100469381, 200938762, 401877524, 502346905, 1004693810, 2009387620]

約数ペア:

[(1, 2009387620), (2, 1004693810), (4, 502346905), (5, 401877524), (10, 200938762), (20, 100469381), (67, 29990860), (134, 14995430), (268, 7497715), (335, 5998172), (359, 5597180), (670, 2999086), (718, 2798590), (1340, 1499543), (1436, 1399295), (1795, 1119436), (3590, 559718), (4177, 481060), (7180, 279859), (8354, 240530), (16708, 120265), (20885, 96212), (24053, 83540), (41770, 48106)]