About the Number

30078020

30078019 ← → 30078021

2進数表記:1110010101111010001000100

漢数字表記:三千七万八千二十

素因数分解:

2 2 × 5 1 × 7 1 × 23 1 × 9341 1

素因数の和:9380
約数の個数: 48
約数和(自身を含む): 75333888
約数和(自身を除く): 45255868

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9341, 18682, 37364, 46705, 65387, 93410, 130774, 186820, 214843, 261548, 326935, 429686, 653870, 859372, 1074215, 1307740, 1503901, 2148430, 3007802, 4296860, 6015604, 7519505, 15039010, 30078020]

約数ペア:
[(1, 30078020), (2, 15039010), (4, 7519505), (5, 6015604), (7, 4296860), (10, 3007802), (14, 2148430), (20, 1503901), (23, 1307740), (28, 1074215), (35, 859372), (46, 653870), (70, 429686), (92, 326935), (115, 261548), (140, 214843), (161, 186820), (230, 130774), (322, 93410), (460, 65387), (644, 46705), (805, 37364), (1610, 18682), (3220, 9341)]

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