209408220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{55399}}^1$

素因数の和:55424

約数の個数: 96

約数和(自身を含む): 744576000

約数和(自身を除く): 535167780

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, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 55399, 110798, 166197, 221596, 276995, 332394, 387793, 498591, 553990, 664788, 775586, 830985, 997182, 1107980, 1163379, 1495773, 1551172, 1661970, 1938965, 1994364, 2326758, 2492955, 2991546, 3323940, 3490137, 3877930, 4653516, 4985910, 5816895, 5983092, 6980274, 7478865, 7755860, 9971820, 10470411, 11633790, 13960548, 14957730, 17450685, 20940822, 23267580, 29915460, 34901370, 41881644, 52352055, 69802740, 104704110, 209408220]

約数ペア:

[(1, 209408220), (2, 104704110), (3, 69802740), (4, 52352055), (5, 41881644), (6, 34901370), (7, 29915460), (9, 23267580), (10, 20940822), (12, 17450685), (14, 14957730), (15, 13960548), (18, 11633790), (20, 10470411), (21, 9971820), (27, 7755860), (28, 7478865), (30, 6980274), (35, 5983092), (36, 5816895), (42, 4985910), (45, 4653516), (54, 3877930), (60, 3490137), (63, 3323940), (70, 2991546), (84, 2492955), (90, 2326758), (105, 1994364), (108, 1938965), (126, 1661970), (135, 1551172), (140, 1495773), (180, 1163379), (189, 1107980), (210, 997182), (252, 830985), (270, 775586), (315, 664788), (378, 553990), (420, 498591), (540, 387793), (630, 332394), (756, 276995), (945, 221596), (1260, 166197), (1890, 110798), (3780, 55399)]