About the Number

201205004

201205003 ← → 201205005

2進数表記:1011111111100010010100001100

漢数字表記:二億百二十万五千四

素因数分解:

2 2 × 7 1 × 11 1 × 13 1 × 31 1 × 1621 1

素因数の和:1687
約数の個数: 96
約数和(自身を含む): 488312832
約数和(自身を除く): 287107828

約数列:
[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 682, 806, 868, 1001, 1364, 1612, 1621, 2002, 2387, 2821, 3242, 4004, 4433, 4774, 5642, 6484, 8866, 9548, 11284, 11347, 17732, 17831, 21073, 22694, 31031, 35662, 42146, 45388, 50251, 62062, 71324, 84292, 100502, 124124, 124817, 147511, 201004, 231803, 249634, 295022, 351757, 463606, 499268, 552761, 590044, 653263, 703514, 927212, 1105522, 1306526, 1407028, 1622621, 2211044, 2613052, 3245242, 3869327, 4572841, 6490484, 7185893, 7738654, 9145682, 14371786, 15477308, 18291364, 28743572, 50301251, 100602502, 201205004]

約数ペア:
[(1, 201205004), (2, 100602502), (4, 50301251), (7, 28743572), (11, 18291364), (13, 15477308), (14, 14371786), (22, 9145682), (26, 7738654), (28, 7185893), (31, 6490484), (44, 4572841), (52, 3869327), (62, 3245242), (77, 2613052), (91, 2211044), (124, 1622621), (143, 1407028), (154, 1306526), (182, 1105522), (217, 927212), (286, 703514), (308, 653263), (341, 590044), (364, 552761), (403, 499268), (434, 463606), (572, 351757), (682, 295022), (806, 249634), (868, 231803), (1001, 201004), (1364, 147511), (1612, 124817), (1621, 124124), (2002, 100502), (2387, 84292), (2821, 71324), (3242, 62062), (4004, 50251), (4433, 45388), (4774, 42146), (5642, 35662), (6484, 31031), (8866, 22694), (9548, 21073), (11284, 17831), (11347, 17732)]

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