About the Number

120421240

120421239 ← → 120421241

2進数表記:111001011010111101101111000

漢数字表記:一億二千四十二万千二百四十

素因数分解:

2 3 × 5 1 × 19 1 × 158449 1

素因数の和:158479
約数の個数: 32
約数和(自身を含む): 285210000
約数和(自身を除く): 164788760

約数列:
[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 158449, 316898, 633796, 792245, 1267592, 1584490, 3010531, 3168980, 6021062, 6337960, 12042124, 15052655, 24084248, 30105310, 60210620, 120421240]

約数ペア:
[(1, 120421240), (2, 60210620), (4, 30105310), (5, 24084248), (8, 15052655), (10, 12042124), (19, 6337960), (20, 6021062), (38, 3168980), (40, 3010531), (76, 1584490), (95, 1267592), (152, 792245), (190, 633796), (380, 316898), (760, 158449)]

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