28489720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101749}}^1$

素因数の和:101767

約数の個数: 32

約数和(自身を含む): 73260000

約数和(自身を除く): 44770280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101749, 203498, 406996, 508745, 712243, 813992, 1017490, 1424486, 2034980, 2848972, 3561215, 4069960, 5697944, 7122430, 14244860, 28489720]

約数ペア:

[(1, 28489720), (2, 14244860), (4, 7122430), (5, 5697944), (7, 4069960), (8, 3561215), (10, 2848972), (14, 2034980), (20, 1424486), (28, 1017490), (35, 813992), (40, 712243), (56, 508745), (70, 406996), (140, 203498), (280, 101749)]