About the Number

130389280

130389279 ← → 130389281

2進数表記:111110001011001010100100000

漢数字表記:一億三千三十八万九千二百八十

素因数分解:

2 5 × 5 1 × 7 1 × 47 1 × 2477 1

素因数の和:2546
約数の個数: 96
約数和(自身を含む): 359686656
約数和(自身を除く): 229297376

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1120, 1316, 1504, 1645, 1880, 2477, 2632, 3290, 3760, 4954, 5264, 6580, 7520, 9908, 10528, 12385, 13160, 17339, 19816, 24770, 26320, 34678, 39632, 49540, 52640, 69356, 79264, 86695, 99080, 116419, 138712, 173390, 198160, 232838, 277424, 346780, 396320, 465676, 554848, 582095, 693560, 814933, 931352, 1164190, 1387120, 1629866, 1862704, 2328380, 2774240, 3259732, 3725408, 4074665, 4656760, 6519464, 8149330, 9313520, 13038928, 16298660, 18627040, 26077856, 32597320, 65194640, 130389280]

約数ペア:
[(1, 130389280), (2, 65194640), (4, 32597320), (5, 26077856), (7, 18627040), (8, 16298660), (10, 13038928), (14, 9313520), (16, 8149330), (20, 6519464), (28, 4656760), (32, 4074665), (35, 3725408), (40, 3259732), (47, 2774240), (56, 2328380), (70, 1862704), (80, 1629866), (94, 1387120), (112, 1164190), (140, 931352), (160, 814933), (188, 693560), (224, 582095), (235, 554848), (280, 465676), (329, 396320), (376, 346780), (470, 277424), (560, 232838), (658, 198160), (752, 173390), (940, 138712), (1120, 116419), (1316, 99080), (1504, 86695), (1645, 79264), (1880, 69356), (2477, 52640), (2632, 49540), (3290, 39632), (3760, 34678), (4954, 26320), (5264, 24770), (6580, 19816), (7520, 17339), (9908, 13160), (10528, 12385)]

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