About the Number

90731490

90731489 ← → 90731491

2進数表記:101011010000111001111100010

漢数字表記:九千七十三万千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 631 1 × 4793 1

素因数の和:5434
約数の個数: 32
約数和(自身を含む): 218146176
約数和(自身を除く): 127414686

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 631, 1262, 1893, 3155, 3786, 4793, 6310, 9465, 9586, 14379, 18930, 23965, 28758, 47930, 71895, 143790, 3024383, 6048766, 9073149, 15121915, 18146298, 30243830, 45365745, 90731490]

約数ペア:
[(1, 90731490), (2, 45365745), (3, 30243830), (5, 18146298), (6, 15121915), (10, 9073149), (15, 6048766), (30, 3024383), (631, 143790), (1262, 71895), (1893, 47930), (3155, 28758), (3786, 23965), (4793, 18930), (6310, 14379), (9465, 9586)]

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