238821400

素因数分解:

$2^3\times 5^2\times {\mathrm{499}}^1\times {\mathrm{2393}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 556605000

約数和(自身を除く): 317783600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 499, 998, 1996, 2393, 2495, 3992, 4786, 4990, 9572, 9980, 11965, 12475, 19144, 19960, 23930, 24950, 47860, 49900, 59825, 95720, 99800, 119650, 239300, 478600, 1194107, 2388214, 4776428, 5970535, 9552856, 11941070, 23882140, 29852675, 47764280, 59705350, 119410700, 238821400]

約数ペア:

[(1, 238821400), (2, 119410700), (4, 59705350), (5, 47764280), (8, 29852675), (10, 23882140), (20, 11941070), (25, 9552856), (40, 5970535), (50, 4776428), (100, 2388214), (200, 1194107), (499, 478600), (998, 239300), (1996, 119650), (2393, 99800), (2495, 95720), (3992, 59825), (4786, 49900), (4990, 47860), (9572, 24950), (9980, 23930), (11965, 19960), (12475, 19144)]