About the Number

1284090

1284089 ← → 1284091

2進数表記:100111001011111111010

漢数字表記:百二十八万四千九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 1861 1

素因数の和:1894
約数の個数: 32
約数和(自身を含む): 3217536
約数和(自身を除く): 1933446

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1861, 3722, 5583, 9305, 11166, 18610, 27915, 42803, 55830, 85606, 128409, 214015, 256818, 428030, 642045, 1284090]

約数ペア:
[(1, 1284090), (2, 642045), (3, 428030), (5, 256818), (6, 214015), (10, 128409), (15, 85606), (23, 55830), (30, 42803), (46, 27915), (69, 18610), (115, 11166), (138, 9305), (230, 5583), (345, 3722), (690, 1861)]

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