1895740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 3071684

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, 1231, 1540, 2462, 4924, 6155, 8617, 12310, 13541, 17234, 24620, 27082, 34468, 43085, 54164, 67705, 86170, 94787, 135410, 172340, 189574, 270820, 379148, 473935, 947870, 1895740]

約数ペア:

[(1, 1895740), (2, 947870), (4, 473935), (5, 379148), (7, 270820), (10, 189574), (11, 172340), (14, 135410), (20, 94787), (22, 86170), (28, 67705), (35, 54164), (44, 43085), (55, 34468), (70, 27082), (77, 24620), (110, 17234), (140, 13541), (154, 12310), (220, 8617), (308, 6155), (385, 4924), (770, 2462), (1231, 1540)]