About the Number

28047930

28047929 ← → 28047931

2進数表記:1101010111111101000111010

漢数字表記:二千八百四万七千九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 29 1 × 103 1 × 313 1

素因数の和:455
約数の個数: 64
約数和(自身を含む): 70536960
約数和(自身を除く): 42489030

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 103, 145, 174, 206, 290, 309, 313, 435, 515, 618, 626, 870, 939, 1030, 1545, 1565, 1878, 2987, 3090, 3130, 4695, 5974, 8961, 9077, 9390, 14935, 17922, 18154, 27231, 29870, 32239, 44805, 45385, 54462, 64478, 89610, 90770, 96717, 136155, 161195, 193434, 272310, 322390, 483585, 934931, 967170, 1869862, 2804793, 4674655, 5609586, 9349310, 14023965, 28047930]

約数ペア:
[(1, 28047930), (2, 14023965), (3, 9349310), (5, 5609586), (6, 4674655), (10, 2804793), (15, 1869862), (29, 967170), (30, 934931), (58, 483585), (87, 322390), (103, 272310), (145, 193434), (174, 161195), (206, 136155), (290, 96717), (309, 90770), (313, 89610), (435, 64478), (515, 54462), (618, 45385), (626, 44805), (870, 32239), (939, 29870), (1030, 27231), (1545, 18154), (1565, 17922), (1878, 14935), (2987, 9390), (3090, 9077), (3130, 8961), (4695, 5974)]

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