About the Number

1301920

1301919 ← → 1301921

2進数表記:100111101110110100000

漢数字表記:百三十万千九百二十

素因数分解:

2 5 × 5 1 × 79 1 × 103 1

素因数の和:197
約数の個数: 48
約数和(自身を含む): 3144960
約数和(自身を除く): 1843040

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 103, 158, 160, 206, 316, 395, 412, 515, 632, 790, 824, 1030, 1264, 1580, 1648, 2060, 2528, 3160, 3296, 4120, 6320, 8137, 8240, 12640, 16274, 16480, 32548, 40685, 65096, 81370, 130192, 162740, 260384, 325480, 650960, 1301920]

約数ペア:
[(1, 1301920), (2, 650960), (4, 325480), (5, 260384), (8, 162740), (10, 130192), (16, 81370), (20, 65096), (32, 40685), (40, 32548), (79, 16480), (80, 16274), (103, 12640), (158, 8240), (160, 8137), (206, 6320), (316, 4120), (395, 3296), (412, 3160), (515, 2528), (632, 2060), (790, 1648), (824, 1580), (1030, 1264)]

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