About the Number

100139280

100139279 ← → 100139281

2進数表記:101111110000000000100010000

漢数字表記:一億十三万九千二百八十

素因数分解:

2 4 × 3 1 × 5 1 × 397 1 × 1051 1

素因数の和:1464
約数の個数: 80
約数和(自身を含む): 311509824
約数和(自身を除く): 211370544

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1051, 1191, 1588, 1985, 2102, 2382, 3153, 3176, 3970, 4204, 4764, 5255, 5955, 6306, 6352, 7940, 8408, 9528, 10510, 11910, 12612, 15765, 15880, 16816, 19056, 21020, 23820, 25224, 31530, 31760, 42040, 47640, 50448, 63060, 84080, 95280, 126120, 252240, 417247, 834494, 1251741, 1668988, 2086235, 2503482, 3337976, 4172470, 5006964, 6258705, 6675952, 8344940, 10013928, 12517410, 16689880, 20027856, 25034820, 33379760, 50069640, 100139280]

約数ペア:
[(1, 100139280), (2, 50069640), (3, 33379760), (4, 25034820), (5, 20027856), (6, 16689880), (8, 12517410), (10, 10013928), (12, 8344940), (15, 6675952), (16, 6258705), (20, 5006964), (24, 4172470), (30, 3337976), (40, 2503482), (48, 2086235), (60, 1668988), (80, 1251741), (120, 834494), (240, 417247), (397, 252240), (794, 126120), (1051, 95280), (1191, 84080), (1588, 63060), (1985, 50448), (2102, 47640), (2382, 42040), (3153, 31760), (3176, 31530), (3970, 25224), (4204, 23820), (4764, 21020), (5255, 19056), (5955, 16816), (6306, 15880), (6352, 15765), (7940, 12612), (8408, 11910), (9528, 10510)]

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