About the Number

142471490

142471489 ← → 142471491

2進数表記:1000011111011111000101000010

漢数字表記:一億四千二百四十七万千四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 29 1 × 70183 1

素因数の和:70226
約数の個数: 32
約数和(自身を含む): 303194880
約数和(自身を除く): 160723390

約数列:
[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 70183, 140366, 350915, 491281, 701830, 982562, 2035307, 2456405, 4070614, 4912810, 10176535, 14247149, 20353070, 28494298, 71235745, 142471490]

約数ペア:
[(1, 142471490), (2, 71235745), (5, 28494298), (7, 20353070), (10, 14247149), (14, 10176535), (29, 4912810), (35, 4070614), (58, 2456405), (70, 2035307), (145, 982562), (203, 701830), (290, 491281), (406, 350915), (1015, 140366), (2030, 70183)]

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