286860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{683}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 919296

約数和(自身を除く): 632436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 683, 1366, 2049, 2732, 3415, 4098, 4781, 6830, 8196, 9562, 10245, 13660, 14343, 19124, 20490, 23905, 28686, 40980, 47810, 57372, 71715, 95620, 143430, 286860]

約数ペア:

[(1, 286860), (2, 143430), (3, 95620), (4, 71715), (5, 57372), (6, 47810), (7, 40980), (10, 28686), (12, 23905), (14, 20490), (15, 19124), (20, 14343), (21, 13660), (28, 10245), (30, 9562), (35, 8196), (42, 6830), (60, 4781), (70, 4098), (84, 3415), (105, 2732), (140, 2049), (210, 1366), (420, 683)]