About the Number

172520208

172520207 ← → 172520209

2進数表記:1010010010000111001100010000

漢数字表記:一億七千二百五十二万二百八

素因数分解:

2 4 × 3 2 × 7 1 × 31 1 × 5521 1

素因数の和:5573
約数の個数: 120
約数和(自身を含む): 569693696
約数和(自身を除く): 397173488

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 5521, 7812, 10416, 11042, 15624, 16563, 22084, 31248, 33126, 38647, 44168, 49689, 66252, 77294, 88336, 99378, 115941, 132504, 154588, 171151, 198756, 231882, 265008, 309176, 342302, 347823, 397512, 463764, 513453, 618352, 684604, 695646, 795024, 927528, 1026906, 1198057, 1369208, 1391292, 1540359, 1855056, 2053812, 2396114, 2738416, 2782584, 3080718, 3594171, 4107624, 4792228, 5565168, 6161436, 7188342, 8215248, 9584456, 10782513, 12322872, 14376684, 19168912, 21565026, 24645744, 28753368, 43130052, 57506736, 86260104, 172520208]

約数ペア:
[(1, 172520208), (2, 86260104), (3, 57506736), (4, 43130052), (6, 28753368), (7, 24645744), (8, 21565026), (9, 19168912), (12, 14376684), (14, 12322872), (16, 10782513), (18, 9584456), (21, 8215248), (24, 7188342), (28, 6161436), (31, 5565168), (36, 4792228), (42, 4107624), (48, 3594171), (56, 3080718), (62, 2782584), (63, 2738416), (72, 2396114), (84, 2053812), (93, 1855056), (112, 1540359), (124, 1391292), (126, 1369208), (144, 1198057), (168, 1026906), (186, 927528), (217, 795024), (248, 695646), (252, 684604), (279, 618352), (336, 513453), (372, 463764), (434, 397512), (496, 347823), (504, 342302), (558, 309176), (651, 265008), (744, 231882), (868, 198756), (1008, 171151), (1116, 154588), (1302, 132504), (1488, 115941), (1736, 99378), (1953, 88336), (2232, 77294), (2604, 66252), (3472, 49689), (3906, 44168), (4464, 38647), (5208, 33126), (5521, 31248), (7812, 22084), (10416, 16563), (11042, 15624)]

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