2000388100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{689789}}^1$

素因数の和:689832

約数の個数: 36

約数和(自身を含む): 4490532900

約数和(自身を除く): 2490144800

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 689789, 1379578, 2759156, 3448945, 6897890, 13795780, 17244725, 20003881, 34489450, 40007762, 68978900, 80015524, 100019405, 200038810, 400077620, 500097025, 1000194050, 2000388100]

約数ペア:

[(1, 2000388100), (2, 1000194050), (4, 500097025), (5, 400077620), (10, 200038810), (20, 100019405), (25, 80015524), (29, 68978900), (50, 40007762), (58, 34489450), (100, 20003881), (116, 17244725), (145, 13795780), (290, 6897890), (580, 3448945), (725, 2759156), (1450, 1379578), (2900, 689789)]