About the Number

112780640

112780639 ← → 112780641

2進数表記:110101110001110010101100000

漢数字表記:一億千二百七十八万六百四十

素因数分解:

2 5 × 5 1 × 7 1 × 101 1 × 997 1

素因数の和:1120
約数の個数: 96
約数和(自身を含む): 307831104
約数和(自身を除く): 195050464

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 202, 224, 280, 404, 505, 560, 707, 808, 997, 1010, 1120, 1414, 1616, 1994, 2020, 2828, 3232, 3535, 3988, 4040, 4985, 5656, 6979, 7070, 7976, 8080, 9970, 11312, 13958, 14140, 15952, 16160, 19940, 22624, 27916, 28280, 31904, 34895, 39880, 55832, 56560, 69790, 79760, 100697, 111664, 113120, 139580, 159520, 201394, 223328, 279160, 402788, 503485, 558320, 704879, 805576, 1006970, 1116640, 1409758, 1611152, 2013940, 2819516, 3222304, 3524395, 4027880, 5639032, 7048790, 8055760, 11278064, 14097580, 16111520, 22556128, 28195160, 56390320, 112780640]

約数ペア:
[(1, 112780640), (2, 56390320), (4, 28195160), (5, 22556128), (7, 16111520), (8, 14097580), (10, 11278064), (14, 8055760), (16, 7048790), (20, 5639032), (28, 4027880), (32, 3524395), (35, 3222304), (40, 2819516), (56, 2013940), (70, 1611152), (80, 1409758), (101, 1116640), (112, 1006970), (140, 805576), (160, 704879), (202, 558320), (224, 503485), (280, 402788), (404, 279160), (505, 223328), (560, 201394), (707, 159520), (808, 139580), (997, 113120), (1010, 111664), (1120, 100697), (1414, 79760), (1616, 69790), (1994, 56560), (2020, 55832), (2828, 39880), (3232, 34895), (3535, 31904), (3988, 28280), (4040, 27916), (4985, 22624), (5656, 19940), (6979, 16160), (7070, 15952), (7976, 14140), (8080, 13958), (9970, 11312)]

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