About the Number

189210720

189210719 ← → 189210721

2進数表記:1011010001110010000001100000

漢数字表記:一億八千九百二十一万七百二十

素因数分解:

2 5 × 3 1 × 5 1 × 47 1 × 8387 1

素因数の和:8452
約数の個数: 96
約数和(自身を含む): 608767488
約数和(自身を除く): 419556768

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 940, 1128, 1410, 1504, 1880, 2256, 2820, 3760, 4512, 5640, 7520, 8387, 11280, 16774, 22560, 25161, 33548, 41935, 50322, 67096, 83870, 100644, 125805, 134192, 167740, 201288, 251610, 268384, 335480, 394189, 402576, 503220, 670960, 788378, 805152, 1006440, 1182567, 1341920, 1576756, 1970945, 2012880, 2365134, 3153512, 3941890, 4025760, 4730268, 5912835, 6307024, 7883780, 9460536, 11825670, 12614048, 15767560, 18921072, 23651340, 31535120, 37842144, 47302680, 63070240, 94605360, 189210720]

約数ペア:
[(1, 189210720), (2, 94605360), (3, 63070240), (4, 47302680), (5, 37842144), (6, 31535120), (8, 23651340), (10, 18921072), (12, 15767560), (15, 12614048), (16, 11825670), (20, 9460536), (24, 7883780), (30, 6307024), (32, 5912835), (40, 4730268), (47, 4025760), (48, 3941890), (60, 3153512), (80, 2365134), (94, 2012880), (96, 1970945), (120, 1576756), (141, 1341920), (160, 1182567), (188, 1006440), (235, 805152), (240, 788378), (282, 670960), (376, 503220), (470, 402576), (480, 394189), (564, 335480), (705, 268384), (752, 251610), (940, 201288), (1128, 167740), (1410, 134192), (1504, 125805), (1880, 100644), (2256, 83870), (2820, 67096), (3760, 50322), (4512, 41935), (5640, 33548), (7520, 25161), (8387, 22560), (11280, 16774)]

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