1222587740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{8807}}^1$

素因数の和:9458

約数の個数: 48

約数和(自身を含む): 2805594624

約数和(自身を除く): 1583006884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 631, 1262, 2524, 3155, 6310, 6941, 8807, 12620, 13882, 17614, 27764, 34705, 35228, 44035, 69410, 88070, 96877, 138820, 176140, 193754, 387508, 484385, 968770, 1937540, 5557217, 11114434, 22228868, 27786085, 55572170, 61129387, 111144340, 122258774, 244517548, 305646935, 611293870, 1222587740]

約数ペア:

[(1, 1222587740), (2, 611293870), (4, 305646935), (5, 244517548), (10, 122258774), (11, 111144340), (20, 61129387), (22, 55572170), (44, 27786085), (55, 22228868), (110, 11114434), (220, 5557217), (631, 1937540), (1262, 968770), (2524, 484385), (3155, 387508), (6310, 193754), (6941, 176140), (8807, 138820), (12620, 96877), (13882, 88070), (17614, 69410), (27764, 44035), (34705, 35228)]