About the Number

1989930

1989929 ← → 1989931

2進数表記:111100101110100101010

漢数字表記:百九十八万九千九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 113 1 × 587 1

素因数の和:710
約数の個数: 32
約数和(自身を含む): 4826304
約数和(自身を除く): 2836374

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 587, 678, 1130, 1174, 1695, 1761, 2935, 3390, 3522, 5870, 8805, 17610, 66331, 132662, 198993, 331655, 397986, 663310, 994965, 1989930]

約数ペア:
[(1, 1989930), (2, 994965), (3, 663310), (5, 397986), (6, 331655), (10, 198993), (15, 132662), (30, 66331), (113, 17610), (226, 8805), (339, 5870), (565, 3522), (587, 3390), (678, 2935), (1130, 1761), (1174, 1695)]

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