18978400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3389}}^1$

素因数の和:3416

約数の個数: 72

約数和(自身を含む): 52965360

約数和(自身を除く): 33986960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3389, 5600, 6778, 13556, 16945, 23723, 27112, 33890, 47446, 54224, 67780, 84725, 94892, 108448, 118615, 135560, 169450, 189784, 237230, 271120, 338900, 379568, 474460, 542240, 593075, 677800, 759136, 948920, 1186150, 1355600, 1897840, 2372300, 2711200, 3795680, 4744600, 9489200, 18978400]

約数ペア:

[(1, 18978400), (2, 9489200), (4, 4744600), (5, 3795680), (7, 2711200), (8, 2372300), (10, 1897840), (14, 1355600), (16, 1186150), (20, 948920), (25, 759136), (28, 677800), (32, 593075), (35, 542240), (40, 474460), (50, 379568), (56, 338900), (70, 271120), (80, 237230), (100, 189784), (112, 169450), (140, 135560), (160, 118615), (175, 108448), (200, 94892), (224, 84725), (280, 67780), (350, 54224), (400, 47446), (560, 33890), (700, 27112), (800, 23723), (1120, 16945), (1400, 13556), (2800, 6778), (3389, 5600)]