About the Number

84501990

84501989 ← → 84501991

2進数表記:101000010010110010111100110

漢数字表記:八千四百五十万千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 127 1 × 7393 1

素因数の和:7533
約数の個数: 48
約数和(自身を含む): 221465088
約数和(自身を除く): 136963098

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 3810, 5715, 7393, 11430, 14786, 22179, 36965, 44358, 66537, 73930, 110895, 133074, 221790, 332685, 665370, 938911, 1877822, 2816733, 4694555, 5633466, 8450199, 9389110, 14083665, 16900398, 28167330, 42250995, 84501990]

約数ペア:
[(1, 84501990), (2, 42250995), (3, 28167330), (5, 16900398), (6, 14083665), (9, 9389110), (10, 8450199), (15, 5633466), (18, 4694555), (30, 2816733), (45, 1877822), (90, 938911), (127, 665370), (254, 332685), (381, 221790), (635, 133074), (762, 110895), (1143, 73930), (1270, 66537), (1905, 44358), (2286, 36965), (3810, 22179), (5715, 14786), (7393, 11430)]

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