2019980500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{139309}}^1$

素因数の和:139357

約数の個数: 48

約数和(自身を含む): 4563795600

約数和(自身を除く): 2543815100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 14500, 139309, 278618, 557236, 696545, 1393090, 2786180, 3482725, 4039961, 6965450, 8079922, 13930900, 16159844, 17413625, 20199805, 34827250, 40399610, 69654500, 80799220, 100999025, 201998050, 403996100, 504995125, 1009990250, 2019980500]

約数ペア:

[(1, 2019980500), (2, 1009990250), (4, 504995125), (5, 403996100), (10, 201998050), (20, 100999025), (25, 80799220), (29, 69654500), (50, 40399610), (58, 34827250), (100, 20199805), (116, 17413625), (125, 16159844), (145, 13930900), (250, 8079922), (290, 6965450), (500, 4039961), (580, 3482725), (725, 2786180), (1450, 1393090), (2900, 696545), (3625, 557236), (7250, 278618), (14500, 139309)]