About the Number

212609640

212609639 ← → 212609641

2進数表記:1100101011000010101001101000

漢数字表記:二億千二百六十万九千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 1771747 1

素因数の和:1771761
約数の個数: 32
約数和(自身を含む): 637829280
約数和(自身を除く): 425219640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1771747, 3543494, 5315241, 7086988, 8858735, 10630482, 14173976, 17717470, 21260964, 26576205, 35434940, 42521928, 53152410, 70869880, 106304820, 212609640]

約数ペア:
[(1, 212609640), (2, 106304820), (3, 70869880), (4, 53152410), (5, 42521928), (6, 35434940), (8, 26576205), (10, 21260964), (12, 17717470), (15, 14173976), (20, 10630482), (24, 8858735), (30, 7086988), (40, 5315241), (60, 3543494), (120, 1771747)]

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