About the Number

124705490

124705489 ← → 124705491

2進数表記:111011011101101101011010010

漢数字表記:一億二千四百七十万五千四百九十

素因数分解:

2 1 × 5 1 × 7 2 × 13 1 × 19577 1

素因数の和:19611
約数の個数: 48
約数和(自身を含む): 281218392
約数和(自身を除く): 156512902

約数列:
[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 19577, 39154, 97885, 137039, 195770, 254501, 274078, 509002, 685195, 959273, 1272505, 1370390, 1781507, 1918546, 2545010, 3563014, 4796365, 8907535, 9592730, 12470549, 17815070, 24941098, 62352745, 124705490]

約数ペア:
[(1, 124705490), (2, 62352745), (5, 24941098), (7, 17815070), (10, 12470549), (13, 9592730), (14, 8907535), (26, 4796365), (35, 3563014), (49, 2545010), (65, 1918546), (70, 1781507), (91, 1370390), (98, 1272505), (130, 959273), (182, 685195), (245, 509002), (455, 274078), (490, 254501), (637, 195770), (910, 137039), (1274, 97885), (3185, 39154), (6370, 19577)]

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