28996440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 95664240

約数和(自身を除く): 66667800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 1997, 2420, 2904, 3630, 3994, 4840, 5991, 7260, 7988, 9985, 11982, 14520, 15976, 19970, 21967, 23964, 29955, 39940, 43934, 47928, 59910, 65901, 79880, 87868, 109835, 119820, 131802, 175736, 219670, 239640, 241637, 263604, 329505, 439340, 483274, 527208, 659010, 724911, 878680, 966548, 1208185, 1318020, 1449822, 1933096, 2416370, 2636040, 2899644, 3624555, 4832740, 5799288, 7249110, 9665480, 14498220, 28996440]

約数ペア:

[(1, 28996440), (2, 14498220), (3, 9665480), (4, 7249110), (5, 5799288), (6, 4832740), (8, 3624555), (10, 2899644), (11, 2636040), (12, 2416370), (15, 1933096), (20, 1449822), (22, 1318020), (24, 1208185), (30, 966548), (33, 878680), (40, 724911), (44, 659010), (55, 527208), (60, 483274), (66, 439340), (88, 329505), (110, 263604), (120, 241637), (121, 239640), (132, 219670), (165, 175736), (220, 131802), (242, 119820), (264, 109835), (330, 87868), (363, 79880), (440, 65901), (484, 59910), (605, 47928), (660, 43934), (726, 39940), (968, 29955), (1210, 23964), (1320, 21967), (1452, 19970), (1815, 15976), (1997, 14520), (2420, 11982), (2904, 9985), (3630, 7988), (3994, 7260), (4840, 5991)]