About the Number

149631990

149631989 ← → 149631991

2進数表記:1000111010110011001111110110

漢数字表記:一億四千九百六十三万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 157 1 × 31769 1

素因数の和:31936
約数の個数: 32
約数和(自身を含む): 361415520
約数和(自身を除く): 211783530

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4710, 31769, 63538, 95307, 158845, 190614, 317690, 476535, 953070, 4987733, 9975466, 14963199, 24938665, 29926398, 49877330, 74815995, 149631990]

約数ペア:
[(1, 149631990), (2, 74815995), (3, 49877330), (5, 29926398), (6, 24938665), (10, 14963199), (15, 9975466), (30, 4987733), (157, 953070), (314, 476535), (471, 317690), (785, 190614), (942, 158845), (1570, 95307), (2355, 63538), (4710, 31769)]

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