About the Number

84927990

84927989 ← → 84927991

2進数表記:101000011111110010111110110

漢数字表記:八千四百九十二万七千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 404419 1

素因数の和:404436
約数の個数: 32
約数和(自身を含む): 232945920
約数和(自身を除く): 148017930

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 404419, 808838, 1213257, 2022095, 2426514, 2830933, 4044190, 5661866, 6066285, 8492799, 12132570, 14154665, 16985598, 28309330, 42463995, 84927990]

約数ペア:
[(1, 84927990), (2, 42463995), (3, 28309330), (5, 16985598), (6, 14154665), (7, 12132570), (10, 8492799), (14, 6066285), (15, 5661866), (21, 4044190), (30, 2830933), (35, 2426514), (42, 2022095), (70, 1213257), (105, 808838), (210, 404419)]

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