About the Number

228990

228989 ← → 228991

2進数表記:110111111001111110

漢数字表記:二十二万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 17 1 × 449 1

素因数の和:476
約数の個数: 32
約数和(自身を含む): 583200
約数和(自身を除く): 354210

約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 449, 510, 898, 1347, 2245, 2694, 4490, 6735, 7633, 13470, 15266, 22899, 38165, 45798, 76330, 114495, 228990]

約数ペア:
[(1, 228990), (2, 114495), (3, 76330), (5, 45798), (6, 38165), (10, 22899), (15, 15266), (17, 13470), (30, 7633), (34, 6735), (51, 4490), (85, 2694), (102, 2245), (170, 1347), (255, 898), (449, 510)]

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