About the Number

90731420

90731419 ← → 90731421

2進数表記:101011010000111001110011100

漢数字表記:九千七十三万千四百二十

素因数分解:

2 2 × 5 1 × 13 1 × 31 1 × 11257 1

素因数の和:11310
約数の個数: 48
約数和(自身を含む): 211830528
約数和(自身を除く): 121099108

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 11257, 22514, 45028, 56285, 112570, 146341, 225140, 292682, 348967, 585364, 697934, 731705, 1395868, 1463410, 1744835, 2926820, 3489670, 4536571, 6979340, 9073142, 18146284, 22682855, 45365710, 90731420]

約数ペア:
[(1, 90731420), (2, 45365710), (4, 22682855), (5, 18146284), (10, 9073142), (13, 6979340), (20, 4536571), (26, 3489670), (31, 2926820), (52, 1744835), (62, 1463410), (65, 1395868), (124, 731705), (130, 697934), (155, 585364), (260, 348967), (310, 292682), (403, 225140), (620, 146341), (806, 112570), (1612, 56285), (2015, 45028), (4030, 22514), (8060, 11257)]

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