199963000

素因数分解:

$2^3\times 5^3\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:937

約数の個数: 64

約数和(自身を含む): 470059200

約数和(自身を除く): 270096200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 359, 500, 557, 718, 1000, 1114, 1436, 1795, 2228, 2785, 2872, 3590, 4456, 5570, 7180, 8975, 11140, 13925, 14360, 17950, 22280, 27850, 35900, 44875, 55700, 69625, 71800, 89750, 111400, 139250, 179500, 199963, 278500, 359000, 399926, 557000, 799852, 999815, 1599704, 1999630, 3999260, 4999075, 7998520, 9998150, 19996300, 24995375, 39992600, 49990750, 99981500, 199963000]

約数ペア:

[(1, 199963000), (2, 99981500), (4, 49990750), (5, 39992600), (8, 24995375), (10, 19996300), (20, 9998150), (25, 7998520), (40, 4999075), (50, 3999260), (100, 1999630), (125, 1599704), (200, 999815), (250, 799852), (359, 557000), (500, 399926), (557, 359000), (718, 278500), (1000, 199963), (1114, 179500), (1436, 139250), (1795, 111400), (2228, 89750), (2785, 71800), (2872, 69625), (3590, 55700), (4456, 44875), (5570, 35900), (7180, 27850), (8975, 22280), (11140, 17950), (13925, 14360)]