About the Number

802426990

802426989 ← → 802426991

2進数表記:101111110101000001000001101110

漢数字表記:八億二百四十二万六千九百九十

素因数分解:

2 1 × 5 1 × 23 1 × 41 1 × 85093 1

素因数の和:85164
約数の個数: 32
約数和(自身を含む): 1543945536
約数和(自身を除く): 741518546

約数列:
[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 9430, 85093, 170186, 425465, 850930, 1957139, 3488813, 3914278, 6977626, 9785695, 17444065, 19571390, 34888130, 80242699, 160485398, 401213495, 802426990]

約数ペア:
[(1, 802426990), (2, 401213495), (5, 160485398), (10, 80242699), (23, 34888130), (41, 19571390), (46, 17444065), (82, 9785695), (115, 6977626), (205, 3914278), (230, 3488813), (410, 1957139), (943, 850930), (1886, 425465), (4715, 170186), (9430, 85093)]

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