About the Number

42741990

42741989 ← → 42741991

2進数表記:10100011000011000011100110

漢数字表記:四千二百七十四万千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 474911 1

素因数の和:474924
約数の個数: 24
約数和(自身を含む): 111129408
約数和(自身を除く): 68387418

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 474911, 949822, 1424733, 2374555, 2849466, 4274199, 4749110, 7123665, 8548398, 14247330, 21370995, 42741990]

約数ペア:
[(1, 42741990), (2, 21370995), (3, 14247330), (5, 8548398), (6, 7123665), (9, 4749110), (10, 4274199), (15, 2849466), (18, 2374555), (30, 1424733), (45, 949822), (90, 474911)]

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