About the Number

1212040

1212039 ← → 1212041

2進数表記:100100111111010001000

漢数字表記:百二十一万二千四十

素因数分解:

2 3 × 5 1 × 157 1 × 193 1

素因数の和:361
約数の個数: 32
約数和(自身を含む): 2758680
約数和(自身を除く): 1546640

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 157, 193, 314, 386, 628, 772, 785, 965, 1256, 1544, 1570, 1930, 3140, 3860, 6280, 7720, 30301, 60602, 121204, 151505, 242408, 303010, 606020, 1212040]

約数ペア:
[(1, 1212040), (2, 606020), (4, 303010), (5, 242408), (8, 151505), (10, 121204), (20, 60602), (40, 30301), (157, 7720), (193, 6280), (314, 3860), (386, 3140), (628, 1930), (772, 1570), (785, 1544), (965, 1256)]

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