217099120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{387677}}^1$

素因数の和:387697

約数の個数: 40

約数和(自身を含む): 576864864

約数和(自身を除く): 359765744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 387677, 775354, 1550708, 1938385, 2713739, 3101416, 3876770, 5427478, 6202832, 7753540, 10854956, 13568695, 15507080, 21709912, 27137390, 31014160, 43419824, 54274780, 108549560, 217099120]

約数ペア:

[(1, 217099120), (2, 108549560), (4, 54274780), (5, 43419824), (7, 31014160), (8, 27137390), (10, 21709912), (14, 15507080), (16, 13568695), (20, 10854956), (28, 7753540), (35, 6202832), (40, 5427478), (56, 3876770), (70, 3101416), (80, 2713739), (112, 1938385), (140, 1550708), (280, 775354), (560, 387677)]