2007228460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{5087}}^1$

素因数の和:5386

約数の個数: 48

約数和(自身を含む): 4278193920

約数和(自身を除く): 2270965460

約数列:

[1, 2, 4, 5, 10, 20, 109, 181, 218, 362, 436, 545, 724, 905, 1090, 1810, 2180, 3620, 5087, 10174, 19729, 20348, 25435, 39458, 50870, 78916, 98645, 101740, 197290, 394580, 554483, 920747, 1108966, 1841494, 2217932, 2772415, 3682988, 4603735, 5544830, 9207470, 11089660, 18414940, 100361423, 200722846, 401445692, 501807115, 1003614230, 2007228460]

約数ペア:

[(1, 2007228460), (2, 1003614230), (4, 501807115), (5, 401445692), (10, 200722846), (20, 100361423), (109, 18414940), (181, 11089660), (218, 9207470), (362, 5544830), (436, 4603735), (545, 3682988), (724, 2772415), (905, 2217932), (1090, 1841494), (1810, 1108966), (2180, 920747), (3620, 554483), (5087, 394580), (10174, 197290), (19729, 101740), (20348, 98645), (25435, 78916), (39458, 50870)]