About the Number

979990

979989 ← → 979991

2進数表記:11101111010000010110

漢数字表記:九十七万九千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 59 1 × 151 1

素因数の和:228
約数の個数: 32
約数和(自身を含む): 1969920
約数和(自身を除く): 989930

約数列:
[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 151, 295, 302, 590, 649, 755, 1298, 1510, 1661, 3245, 3322, 6490, 8305, 8909, 16610, 17818, 44545, 89090, 97999, 195998, 489995, 979990]

約数ペア:
[(1, 979990), (2, 489995), (5, 195998), (10, 97999), (11, 89090), (22, 44545), (55, 17818), (59, 16610), (110, 8909), (118, 8305), (151, 6490), (295, 3322), (302, 3245), (590, 1661), (649, 1510), (755, 1298)]

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