198325960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1973}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 511660800

約数和(自身を除く): 313334840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 1973, 2513, 2872, 3590, 3946, 5026, 7180, 7892, 9865, 10052, 12565, 13811, 14360, 15784, 19730, 20104, 25130, 27622, 39460, 50260, 55244, 69055, 78920, 100520, 110488, 138110, 276220, 552440, 708307, 1416614, 2833228, 3541535, 4958149, 5666456, 7083070, 9916298, 14166140, 19832596, 24790745, 28332280, 39665192, 49581490, 99162980, 198325960]

約数ペア:

[(1, 198325960), (2, 99162980), (4, 49581490), (5, 39665192), (7, 28332280), (8, 24790745), (10, 19832596), (14, 14166140), (20, 9916298), (28, 7083070), (35, 5666456), (40, 4958149), (56, 3541535), (70, 2833228), (140, 1416614), (280, 708307), (359, 552440), (718, 276220), (1436, 138110), (1795, 110488), (1973, 100520), (2513, 78920), (2872, 69055), (3590, 55244), (3946, 50260), (5026, 39460), (7180, 27622), (7892, 25130), (9865, 20104), (10052, 19730), (12565, 15784), (13811, 14360)]