About the Number

121292190

121292189 ← → 121292191

2進数表記:111001110101100010110011110

漢数字表記:一億二千百二十九万二千百九十

素因数分解:

2 1 × 3 2 × 5 1 × 179 1 × 7529 1

素因数の和:7721
約数の個数: 48
約数和(自身を含む): 317163600
約数和(自身を除く): 195871410

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1611, 1790, 2685, 3222, 5370, 7529, 8055, 15058, 16110, 22587, 37645, 45174, 67761, 75290, 112935, 135522, 225870, 338805, 677610, 1347691, 2695382, 4043073, 6738455, 8086146, 12129219, 13476910, 20215365, 24258438, 40430730, 60646095, 121292190]

約数ペア:
[(1, 121292190), (2, 60646095), (3, 40430730), (5, 24258438), (6, 20215365), (9, 13476910), (10, 12129219), (15, 8086146), (18, 6738455), (30, 4043073), (45, 2695382), (90, 1347691), (179, 677610), (358, 338805), (537, 225870), (895, 135522), (1074, 112935), (1611, 75290), (1790, 67761), (2685, 45174), (3222, 37645), (5370, 22587), (7529, 16110), (8055, 15058)]

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