About the Number

123128190

123128189 ← → 123128191

2進数表記:111010101101100100101111110

漢数字表記:一億二千三百十二万八千百九十

素因数分解:

2 1 × 3 2 × 5 1 × 113 1 × 12107 1

素因数の和:12233
約数の個数: 48
約数和(自身を含む): 322993008
約数和(自身を除く): 199864818

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 113, 226, 339, 565, 678, 1017, 1130, 1695, 2034, 3390, 5085, 10170, 12107, 24214, 36321, 60535, 72642, 108963, 121070, 181605, 217926, 363210, 544815, 1089630, 1368091, 2736182, 4104273, 6840455, 8208546, 12312819, 13680910, 20521365, 24625638, 41042730, 61564095, 123128190]

約数ペア:
[(1, 123128190), (2, 61564095), (3, 41042730), (5, 24625638), (6, 20521365), (9, 13680910), (10, 12312819), (15, 8208546), (18, 6840455), (30, 4104273), (45, 2736182), (90, 1368091), (113, 1089630), (226, 544815), (339, 363210), (565, 217926), (678, 181605), (1017, 121070), (1130, 108963), (1695, 72642), (2034, 60535), (3390, 36321), (5085, 24214), (10170, 12107)]

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