52840620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 144

約数和(自身を含む): 191328480

約数和(自身を除く): 138487860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 1997, 2205, 2646, 2940, 3780, 3994, 4410, 5292, 5991, 6615, 7988, 8820, 9985, 11982, 13230, 13979, 17973, 19970, 23964, 26460, 27958, 29955, 35946, 39940, 41937, 53919, 55916, 59910, 69895, 71892, 83874, 89865, 97853, 107838, 119820, 125811, 139790, 167748, 179730, 195706, 209685, 215676, 251622, 269595, 279580, 293559, 359460, 377433, 391412, 419370, 489265, 503244, 539190, 587118, 629055, 754866, 838740, 880677, 978530, 1078380, 1174236, 1258110, 1467795, 1509732, 1761354, 1887165, 1957060, 2516220, 2642031, 2935590, 3522708, 3774330, 4403385, 5284062, 5871180, 7548660, 8806770, 10568124, 13210155, 17613540, 26420310, 52840620]

約数ペア:

[(1, 52840620), (2, 26420310), (3, 17613540), (4, 13210155), (5, 10568124), (6, 8806770), (7, 7548660), (9, 5871180), (10, 5284062), (12, 4403385), (14, 3774330), (15, 3522708), (18, 2935590), (20, 2642031), (21, 2516220), (27, 1957060), (28, 1887165), (30, 1761354), (35, 1509732), (36, 1467795), (42, 1258110), (45, 1174236), (49, 1078380), (54, 978530), (60, 880677), (63, 838740), (70, 754866), (84, 629055), (90, 587118), (98, 539190), (105, 503244), (108, 489265), (126, 419370), (135, 391412), (140, 377433), (147, 359460), (180, 293559), (189, 279580), (196, 269595), (210, 251622), (245, 215676), (252, 209685), (270, 195706), (294, 179730), (315, 167748), (378, 139790), (420, 125811), (441, 119820), (490, 107838), (540, 97853), (588, 89865), (630, 83874), (735, 71892), (756, 69895), (882, 59910), (945, 55916), (980, 53919), (1260, 41937), (1323, 39940), (1470, 35946), (1764, 29955), (1890, 27958), (1997, 26460), (2205, 23964), (2646, 19970), (2940, 17973), (3780, 13979), (3994, 13230), (4410, 11982), (5292, 9985), (5991, 8820), (6615, 7988)]