4205740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2731}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 11015424

約数和(自身を除く): 6809684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2731, 5462, 10924, 13655, 19117, 27310, 30041, 38234, 54620, 60082, 76468, 95585, 120164, 150205, 191170, 210287, 300410, 382340, 420574, 600820, 841148, 1051435, 2102870, 4205740]

約数ペア:

[(1, 4205740), (2, 2102870), (4, 1051435), (5, 841148), (7, 600820), (10, 420574), (11, 382340), (14, 300410), (20, 210287), (22, 191170), (28, 150205), (35, 120164), (44, 95585), (55, 76468), (70, 60082), (77, 54620), (110, 38234), (140, 30041), (154, 27310), (220, 19117), (308, 13655), (385, 10924), (770, 5462), (1540, 2731)]