386057840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{689389}}^1$

素因数の和:689409

約数の個数: 40

約数和(自身を含む): 1025812320

約数和(自身を除く): 639754480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 689389, 1378778, 2757556, 3446945, 4825723, 5515112, 6893890, 9651446, 11030224, 13787780, 19302892, 24128615, 27575560, 38605784, 48257230, 55151120, 77211568, 96514460, 193028920, 386057840]

約数ペア:

[(1, 386057840), (2, 193028920), (4, 96514460), (5, 77211568), (7, 55151120), (8, 48257230), (10, 38605784), (14, 27575560), (16, 24128615), (20, 19302892), (28, 13787780), (35, 11030224), (40, 9651446), (56, 6893890), (70, 5515112), (80, 4825723), (112, 3446945), (140, 2757556), (280, 1378778), (560, 689389)]