About the Number

121490448

121490447 ← → 121490449

2進数表記:111001111011100110000010000

漢数字表記:一億二千百四十九万四百四十八

素因数分解:

2 4 × 3 1 × 131 1 × 139 2

素因数の和:420
約数の個数: 60
約数和(自身を含む): 318537648
約数和(自身を除く): 197047200

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 139, 262, 278, 393, 417, 524, 556, 786, 834, 1048, 1112, 1572, 1668, 2096, 2224, 3144, 3336, 6288, 6672, 18209, 19321, 36418, 38642, 54627, 57963, 72836, 77284, 109254, 115926, 145672, 154568, 218508, 231852, 291344, 309136, 437016, 463704, 874032, 927408, 2531051, 5062102, 7593153, 10124204, 15186306, 20248408, 30372612, 40496816, 60745224, 121490448]

約数ペア:
[(1, 121490448), (2, 60745224), (3, 40496816), (4, 30372612), (6, 20248408), (8, 15186306), (12, 10124204), (16, 7593153), (24, 5062102), (48, 2531051), (131, 927408), (139, 874032), (262, 463704), (278, 437016), (393, 309136), (417, 291344), (524, 231852), (556, 218508), (786, 154568), (834, 145672), (1048, 115926), (1112, 109254), (1572, 77284), (1668, 72836), (2096, 57963), (2224, 54627), (3144, 38642), (3336, 36418), (6288, 19321), (6672, 18209)]

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