1381240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4933}}^1$

素因数の和:4951

約数の個数: 32

約数和(自身を含む): 3552480

約数和(自身を除く): 2171240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4933, 9866, 19732, 24665, 34531, 39464, 49330, 69062, 98660, 138124, 172655, 197320, 276248, 345310, 690620, 1381240]

約数ペア:

[(1, 1381240), (2, 690620), (4, 345310), (5, 276248), (7, 197320), (8, 172655), (10, 138124), (14, 98660), (20, 69062), (28, 49330), (35, 39464), (40, 34531), (56, 24665), (70, 19732), (140, 9866), (280, 4933)]