About the Number

201876990

201876989 ← → 201876991

2進数表記:1100000010000110010111111110

漢数字表記:二億百八十七万六千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 961319 1

素因数の和:961336
約数の個数: 32
約数和(自身を含む): 553720320
約数和(自身を除く): 351843330

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 961319, 1922638, 2883957, 4806595, 5767914, 6729233, 9613190, 13458466, 14419785, 20187699, 28839570, 33646165, 40375398, 67292330, 100938495, 201876990]

約数ペア:
[(1, 201876990), (2, 100938495), (3, 67292330), (5, 40375398), (6, 33646165), (7, 28839570), (10, 20187699), (14, 14419785), (15, 13458466), (21, 9613190), (30, 6729233), (35, 5767914), (42, 4806595), (70, 2883957), (105, 1922638), (210, 961319)]

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