288889480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15269}}^1$

素因数の和:15334

約数の個数: 64

約数和(自身を含む): 725630400

約数和(自身を除く): 436740920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 15269, 18920, 30538, 61076, 76345, 122152, 152690, 167959, 305380, 335918, 610760, 656567, 671836, 839795, 1313134, 1343672, 1679590, 2626268, 3282835, 3359180, 5252536, 6565670, 6718360, 7222237, 13131340, 14444474, 26262680, 28888948, 36111185, 57777896, 72222370, 144444740, 288889480]

約数ペア:

[(1, 288889480), (2, 144444740), (4, 72222370), (5, 57777896), (8, 36111185), (10, 28888948), (11, 26262680), (20, 14444474), (22, 13131340), (40, 7222237), (43, 6718360), (44, 6565670), (55, 5252536), (86, 3359180), (88, 3282835), (110, 2626268), (172, 1679590), (215, 1343672), (220, 1313134), (344, 839795), (430, 671836), (440, 656567), (473, 610760), (860, 335918), (946, 305380), (1720, 167959), (1892, 152690), (2365, 122152), (3784, 76345), (4730, 61076), (9460, 30538), (15269, 18920)]