About the Number

61900790

61900789 ← → 61900791

2進数表記:11101100001000011111110110

漢数字表記:六千百九十万七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 29 1 × 30493 1

素因数の和:30536
約数の個数: 32
約数和(自身を含む): 131734080
約数和(自身を除く): 69833290

約数列:
[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 30493, 60986, 152465, 213451, 304930, 426902, 884297, 1067255, 1768594, 2134510, 4421485, 6190079, 8842970, 12380158, 30950395, 61900790]

約数ペア:
[(1, 61900790), (2, 30950395), (5, 12380158), (7, 8842970), (10, 6190079), (14, 4421485), (29, 2134510), (35, 1768594), (58, 1067255), (70, 884297), (145, 426902), (203, 304930), (290, 213451), (406, 152465), (1015, 60986), (2030, 30493)]

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