199907500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{6151}}^1$

素因数の和:6188

約数の個数: 60

約数和(自身を含む): 470861776

約数和(自身を除く): 270954276

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3250, 6151, 6500, 8125, 12302, 16250, 24604, 30755, 32500, 61510, 79963, 123020, 153775, 159926, 307550, 319852, 399815, 615100, 768875, 799630, 1537750, 1599260, 1999075, 3075500, 3844375, 3998150, 7688750, 7996300, 9995375, 15377500, 19990750, 39981500, 49976875, 99953750, 199907500]

約数ペア:

[(1, 199907500), (2, 99953750), (4, 49976875), (5, 39981500), (10, 19990750), (13, 15377500), (20, 9995375), (25, 7996300), (26, 7688750), (50, 3998150), (52, 3844375), (65, 3075500), (100, 1999075), (125, 1599260), (130, 1537750), (250, 799630), (260, 768875), (325, 615100), (500, 399815), (625, 319852), (650, 307550), (1250, 159926), (1300, 153775), (1625, 123020), (2500, 79963), (3250, 61510), (6151, 32500), (6500, 30755), (8125, 24604), (12302, 16250)]