About the Number

172238490

172238489 ← → 172238491

2進数表記:1010010001000010011010011010

漢数字表記:一億七千二百二十三万八千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 23 1 × 83207 1

素因数の和:83243
約数の個数: 48
約数和(自身を含む): 467296128
約数和(自身を除く): 295057638

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 83207, 166414, 249621, 416035, 499242, 748863, 832070, 1248105, 1497726, 1913761, 2496210, 3744315, 3827522, 5741283, 7488630, 9568805, 11482566, 17223849, 19137610, 28706415, 34447698, 57412830, 86119245, 172238490]

約数ペア:
[(1, 172238490), (2, 86119245), (3, 57412830), (5, 34447698), (6, 28706415), (9, 19137610), (10, 17223849), (15, 11482566), (18, 9568805), (23, 7488630), (30, 5741283), (45, 3827522), (46, 3744315), (69, 2496210), (90, 1913761), (115, 1497726), (138, 1248105), (207, 832070), (230, 748863), (345, 499242), (414, 416035), (690, 249621), (1035, 166414), (2070, 83207)]

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