About the Number

111107990

111107989 ← → 111107991

2進数表記:110100111110101111110010110

漢数字表記:一億千百十万七千九百九十

素因数分解:

2 1 × 5 1 × 7 3 × 29 1 × 1117 1

素因数の和:1174
約数の個数: 64
約数和(自身を含む): 241488000
約数和(自身を除く): 130380010

約数列:
[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 406, 490, 686, 1015, 1117, 1421, 1715, 2030, 2234, 2842, 3430, 5585, 7105, 7819, 9947, 11170, 14210, 15638, 19894, 32393, 39095, 49735, 54733, 64786, 78190, 99470, 109466, 161965, 226751, 273665, 323930, 383131, 453502, 547330, 766262, 1133755, 1587257, 1915655, 2267510, 3174514, 3831310, 7936285, 11110799, 15872570, 22221598, 55553995, 111107990]

約数ペア:
[(1, 111107990), (2, 55553995), (5, 22221598), (7, 15872570), (10, 11110799), (14, 7936285), (29, 3831310), (35, 3174514), (49, 2267510), (58, 1915655), (70, 1587257), (98, 1133755), (145, 766262), (203, 547330), (245, 453502), (290, 383131), (343, 323930), (406, 273665), (490, 226751), (686, 161965), (1015, 109466), (1117, 99470), (1421, 78190), (1715, 64786), (2030, 54733), (2234, 49735), (2842, 39095), (3430, 32393), (5585, 19894), (7105, 15638), (7819, 14210), (9947, 11170)]

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