2189469040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{3943}}^1$

素因数の和:4598

約数の個数: 80

約数和(自身を含む): 5563501056

約数和(自身を除く): 3374032016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 631, 880, 1262, 2524, 3155, 3943, 5048, 6310, 6941, 7886, 10096, 12620, 13882, 15772, 19715, 25240, 27764, 31544, 34705, 39430, 43373, 50480, 55528, 63088, 69410, 78860, 86746, 111056, 138820, 157720, 173492, 216865, 277640, 315440, 346984, 433730, 555280, 693968, 867460, 1734920, 2488033, 3469840, 4976066, 9952132, 12440165, 19904264, 24880330, 27368363, 39808528, 49760660, 54736726, 99521320, 109473452, 136841815, 199042640, 218946904, 273683630, 437893808, 547367260, 1094734520, 2189469040]

約数ペア:

[(1, 2189469040), (2, 1094734520), (4, 547367260), (5, 437893808), (8, 273683630), (10, 218946904), (11, 199042640), (16, 136841815), (20, 109473452), (22, 99521320), (40, 54736726), (44, 49760660), (55, 39808528), (80, 27368363), (88, 24880330), (110, 19904264), (176, 12440165), (220, 9952132), (440, 4976066), (631, 3469840), (880, 2488033), (1262, 1734920), (2524, 867460), (3155, 693968), (3943, 555280), (5048, 433730), (6310, 346984), (6941, 315440), (7886, 277640), (10096, 216865), (12620, 173492), (13882, 157720), (15772, 138820), (19715, 111056), (25240, 86746), (27764, 78860), (31544, 69410), (34705, 63088), (39430, 55528), (43373, 50480)]