About the Number

421993908

421993907 ← → 421993909

2進数表記:11001001001110001110110110100

漢数字表記:四億二千百九十九万三千九百八

素因数分解:

2 2 × 3 3 × 7 1 × 227 1 × 2459 1

素因数の和:2706
約数の個数: 96
約数和(自身を含む): 1256371200
約数和(自身を除く): 834377292

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 227, 252, 378, 454, 681, 756, 908, 1362, 1589, 2043, 2459, 2724, 3178, 4086, 4767, 4918, 6129, 6356, 7377, 8172, 9534, 9836, 12258, 14301, 14754, 17213, 19068, 22131, 24516, 28602, 29508, 34426, 42903, 44262, 51639, 57204, 66393, 68852, 85806, 88524, 103278, 132786, 154917, 171612, 206556, 265572, 309834, 464751, 558193, 619668, 929502, 1116386, 1674579, 1859004, 2232772, 3349158, 3907351, 5023737, 6698316, 7814702, 10047474, 11722053, 15071211, 15629404, 20094948, 23444106, 30142422, 35166159, 46888212, 60284844, 70332318, 105498477, 140664636, 210996954, 421993908]

約数ペア:
[(1, 421993908), (2, 210996954), (3, 140664636), (4, 105498477), (6, 70332318), (7, 60284844), (9, 46888212), (12, 35166159), (14, 30142422), (18, 23444106), (21, 20094948), (27, 15629404), (28, 15071211), (36, 11722053), (42, 10047474), (54, 7814702), (63, 6698316), (84, 5023737), (108, 3907351), (126, 3349158), (189, 2232772), (227, 1859004), (252, 1674579), (378, 1116386), (454, 929502), (681, 619668), (756, 558193), (908, 464751), (1362, 309834), (1589, 265572), (2043, 206556), (2459, 171612), (2724, 154917), (3178, 132786), (4086, 103278), (4767, 88524), (4918, 85806), (6129, 68852), (6356, 66393), (7377, 57204), (8172, 51639), (9534, 44262), (9836, 42903), (12258, 34426), (14301, 29508), (14754, 28602), (17213, 24516), (19068, 22131)]

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