1897840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3389}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 5044320

約数和(自身を除く): 3146480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3389, 6778, 13556, 16945, 23723, 27112, 33890, 47446, 54224, 67780, 94892, 118615, 135560, 189784, 237230, 271120, 379568, 474460, 948920, 1897840]

約数ペア:

[(1, 1897840), (2, 948920), (4, 474460), (5, 379568), (7, 271120), (8, 237230), (10, 189784), (14, 135560), (16, 118615), (20, 94892), (28, 67780), (35, 54224), (40, 47446), (56, 33890), (70, 27112), (80, 23723), (112, 16945), (140, 13556), (280, 6778), (560, 3389)]