About the Number

138105280

138105279 ← → 138105281

2進数表記:1000001110110101000111000000

漢数字表記:一億三千八百十万五千二百八十

素因数分解:

2 6 × 5 1 × 17 1 × 53 1 × 479 1

素因数の和:566
約数の個数: 112
約数和(自身を含む): 355518720
約数和(自身を除く): 217413440

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 320, 340, 424, 479, 530, 544, 680, 848, 901, 958, 1060, 1088, 1360, 1696, 1802, 1916, 2120, 2395, 2720, 3392, 3604, 3832, 4240, 4505, 4790, 5440, 7208, 7664, 8143, 8480, 9010, 9580, 14416, 15328, 16286, 16960, 18020, 19160, 25387, 28832, 30656, 32572, 36040, 38320, 40715, 50774, 57664, 65144, 72080, 76640, 81430, 101548, 126935, 130288, 144160, 153280, 162860, 203096, 253870, 260576, 288320, 325720, 406192, 431579, 507740, 521152, 651440, 812384, 863158, 1015480, 1302880, 1624768, 1726316, 2030960, 2157895, 2605760, 3452632, 4061920, 4315790, 6905264, 8123840, 8631580, 13810528, 17263160, 27621056, 34526320, 69052640, 138105280]

約数ペア:
[(1, 138105280), (2, 69052640), (4, 34526320), (5, 27621056), (8, 17263160), (10, 13810528), (16, 8631580), (17, 8123840), (20, 6905264), (32, 4315790), (34, 4061920), (40, 3452632), (53, 2605760), (64, 2157895), (68, 2030960), (80, 1726316), (85, 1624768), (106, 1302880), (136, 1015480), (160, 863158), (170, 812384), (212, 651440), (265, 521152), (272, 507740), (320, 431579), (340, 406192), (424, 325720), (479, 288320), (530, 260576), (544, 253870), (680, 203096), (848, 162860), (901, 153280), (958, 144160), (1060, 130288), (1088, 126935), (1360, 101548), (1696, 81430), (1802, 76640), (1916, 72080), (2120, 65144), (2395, 57664), (2720, 50774), (3392, 40715), (3604, 38320), (3832, 36040), (4240, 32572), (4505, 30656), (4790, 28832), (5440, 25387), (7208, 19160), (7664, 18020), (8143, 16960), (8480, 16286), (9010, 15328), (9580, 14416)]

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