981879400

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{30119}}^1$

素因数の和:30298

約数の個数: 48

約数和(自身を含む): 2296951200

約数和(自身を除く): 1315071800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 652, 815, 1304, 1630, 3260, 4075, 6520, 8150, 16300, 30119, 32600, 60238, 120476, 150595, 240952, 301190, 602380, 752975, 1204760, 1505950, 3011900, 4909397, 6023800, 9818794, 19637588, 24546985, 39275176, 49093970, 98187940, 122734925, 196375880, 245469850, 490939700, 981879400]

約数ペア:

[(1, 981879400), (2, 490939700), (4, 245469850), (5, 196375880), (8, 122734925), (10, 98187940), (20, 49093970), (25, 39275176), (40, 24546985), (50, 19637588), (100, 9818794), (163, 6023800), (200, 4909397), (326, 3011900), (652, 1505950), (815, 1204760), (1304, 752975), (1630, 602380), (3260, 301190), (4075, 240952), (6520, 150595), (8150, 120476), (16300, 60238), (30119, 32600)]