420199363600

素因数分解:

$2^4\times 5^2\times {\mathrm{1050498409}}^1$

素因数の和:1050498427

約数の個数: 30

約数和(自身を含む): 1009528972010

約数和(自身を除く): 589329608410

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1050498409, 2100996818, 4201993636, 5252492045, 8403987272, 10504984090, 16807974544, 21009968180, 26262460225, 42019936360, 52524920450, 84039872720, 105049840900, 210099681800, 420199363600]

約数ペア:

[(1, 420199363600), (2, 210099681800), (4, 105049840900), (5, 84039872720), (8, 52524920450), (10, 42019936360), (16, 26262460225), (20, 21009968180), (25, 16807974544), (40, 10504984090), (50, 8403987272), (80, 5252492045), (100, 4201993636), (200, 2100996818), (400, 1050498409)]