About the Number

131398500

131398499 ← → 131398501

2進数表記:111110101001111101101100100

漢数字表記:一億三千百三十九万八千五百

素因数分解:

2 2 × 3 1 × 5 3 × 251 1 × 349 1

素因数の和:622
約数の個数: 96
約数和(自身を含む): 385257600
約数和(自身を除く): 253859100

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 251, 300, 349, 375, 500, 502, 698, 750, 753, 1004, 1047, 1255, 1396, 1500, 1506, 1745, 2094, 2510, 3012, 3490, 3765, 4188, 5020, 5235, 6275, 6980, 7530, 8725, 10470, 12550, 15060, 17450, 18825, 20940, 25100, 26175, 31375, 34900, 37650, 43625, 52350, 62750, 75300, 87250, 87599, 94125, 104700, 125500, 130875, 174500, 175198, 188250, 261750, 262797, 350396, 376500, 437995, 523500, 525594, 875990, 1051188, 1313985, 1751980, 2189975, 2627970, 4379950, 5255940, 6569925, 8759900, 10949875, 13139850, 21899750, 26279700, 32849625, 43799500, 65699250, 131398500]

約数ペア:
[(1, 131398500), (2, 65699250), (3, 43799500), (4, 32849625), (5, 26279700), (6, 21899750), (10, 13139850), (12, 10949875), (15, 8759900), (20, 6569925), (25, 5255940), (30, 4379950), (50, 2627970), (60, 2189975), (75, 1751980), (100, 1313985), (125, 1051188), (150, 875990), (250, 525594), (251, 523500), (300, 437995), (349, 376500), (375, 350396), (500, 262797), (502, 261750), (698, 188250), (750, 175198), (753, 174500), (1004, 130875), (1047, 125500), (1255, 104700), (1396, 94125), (1500, 87599), (1506, 87250), (1745, 75300), (2094, 62750), (2510, 52350), (3012, 43625), (3490, 37650), (3765, 34900), (4188, 31375), (5020, 26175), (5235, 25100), (6275, 20940), (6980, 18825), (7530, 17450), (8725, 15060), (10470, 12550)]

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