About the Number

131898480

131898479 ← → 131898481

2進数表記:111110111001001110001110000

漢数字表記:一億三千百八十九万八千四百八十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 78511 1

素因数の和:78534
約数の個数: 80
約数和(自身を含む): 467303424
約数和(自身を除く): 335404944

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 78511, 157022, 235533, 314044, 392555, 471066, 549577, 628088, 785110, 942132, 1099154, 1177665, 1256176, 1570220, 1648731, 1884264, 2198308, 2355330, 2747885, 3140440, 3297462, 3768528, 4396616, 4710660, 5495770, 6280880, 6594924, 8243655, 8793232, 9421320, 10991540, 13189848, 16487310, 18842640, 21983080, 26379696, 32974620, 43966160, 65949240, 131898480]

約数ペア:
[(1, 131898480), (2, 65949240), (3, 43966160), (4, 32974620), (5, 26379696), (6, 21983080), (7, 18842640), (8, 16487310), (10, 13189848), (12, 10991540), (14, 9421320), (15, 8793232), (16, 8243655), (20, 6594924), (21, 6280880), (24, 5495770), (28, 4710660), (30, 4396616), (35, 3768528), (40, 3297462), (42, 3140440), (48, 2747885), (56, 2355330), (60, 2198308), (70, 1884264), (80, 1648731), (84, 1570220), (105, 1256176), (112, 1177665), (120, 1099154), (140, 942132), (168, 785110), (210, 628088), (240, 549577), (280, 471066), (336, 392555), (420, 314044), (560, 235533), (840, 157022), (1680, 78511)]

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