282727280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3181}}^1$

素因数の和:3306

約数の個数: 80

約数和(自身を含む): 724426848

約数和(自身を除く): 441699568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 3181, 4040, 4444, 5555, 6362, 8080, 8888, 11110, 12724, 15905, 17776, 22220, 25448, 31810, 34991, 44440, 50896, 63620, 69982, 88880, 127240, 139964, 174955, 254480, 279928, 321281, 349910, 559856, 642562, 699820, 1285124, 1399640, 1606405, 2570248, 2799280, 3212810, 3534091, 5140496, 6425620, 7068182, 12851240, 14136364, 17670455, 25702480, 28272728, 35340910, 56545456, 70681820, 141363640, 282727280]

約数ペア:

[(1, 282727280), (2, 141363640), (4, 70681820), (5, 56545456), (8, 35340910), (10, 28272728), (11, 25702480), (16, 17670455), (20, 14136364), (22, 12851240), (40, 7068182), (44, 6425620), (55, 5140496), (80, 3534091), (88, 3212810), (101, 2799280), (110, 2570248), (176, 1606405), (202, 1399640), (220, 1285124), (404, 699820), (440, 642562), (505, 559856), (808, 349910), (880, 321281), (1010, 279928), (1111, 254480), (1616, 174955), (2020, 139964), (2222, 127240), (3181, 88880), (4040, 69982), (4444, 63620), (5555, 50896), (6362, 44440), (8080, 34991), (8888, 31810), (11110, 25448), (12724, 22220), (15905, 17776)]