47740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:58

約数の個数: 48

約数和(自身を含む): 129024

約数和(自身を除く): 81284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4340, 4774, 6820, 9548, 11935, 23870, 47740]

約数ペア:

[(1, 47740), (2, 23870), (4, 11935), (5, 9548), (7, 6820), (10, 4774), (11, 4340), (14, 3410), (20, 2387), (22, 2170), (28, 1705), (31, 1540), (35, 1364), (44, 1085), (55, 868), (62, 770), (70, 682), (77, 620), (110, 434), (124, 385), (140, 341), (154, 310), (155, 308), (217, 220)]