About the Number

138231456

138231455 ← → 138231457

2進数表記:1000001111010011111010100000

漢数字表記:一億三千八百二十三万千四百五十六

素因数分解:

2 5 × 3 1 × 11 1 × 223 1 × 587 1

素因数の和:834
約数の個数: 96
約数和(自身を含む): 398297088
約数和(自身を除く): 260065632

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 223, 264, 352, 446, 528, 587, 669, 892, 1056, 1174, 1338, 1761, 1784, 2348, 2453, 2676, 3522, 3568, 4696, 4906, 5352, 6457, 7044, 7136, 7359, 9392, 9812, 10704, 12914, 14088, 14718, 18784, 19371, 19624, 21408, 25828, 28176, 29436, 38742, 39248, 51656, 56352, 58872, 77484, 78496, 103312, 117744, 130901, 154968, 206624, 235488, 261802, 309936, 392703, 523604, 619872, 785406, 1047208, 1439911, 1570812, 2094416, 2879822, 3141624, 4188832, 4319733, 5759644, 6283248, 8639466, 11519288, 12566496, 17278932, 23038576, 34557864, 46077152, 69115728, 138231456]

約数ペア:
[(1, 138231456), (2, 69115728), (3, 46077152), (4, 34557864), (6, 23038576), (8, 17278932), (11, 12566496), (12, 11519288), (16, 8639466), (22, 6283248), (24, 5759644), (32, 4319733), (33, 4188832), (44, 3141624), (48, 2879822), (66, 2094416), (88, 1570812), (96, 1439911), (132, 1047208), (176, 785406), (223, 619872), (264, 523604), (352, 392703), (446, 309936), (528, 261802), (587, 235488), (669, 206624), (892, 154968), (1056, 130901), (1174, 117744), (1338, 103312), (1761, 78496), (1784, 77484), (2348, 58872), (2453, 56352), (2676, 51656), (3522, 39248), (3568, 38742), (4696, 29436), (4906, 28176), (5352, 25828), (6457, 21408), (7044, 19624), (7136, 19371), (7359, 18784), (9392, 14718), (9812, 14088), (10704, 12914)]

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