About the Number

2862990

2862989 ← → 2862991

2進数表記:1010111010111110001110

漢数字表記:二百八十六万二千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 2447 1

素因数の和:2473
約数の個数: 48
約数和(自身を含む): 8019648
約数和(自身を除く): 5156658

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 2447, 4894, 7341, 12235, 14682, 22023, 24470, 31811, 36705, 44046, 63622, 73410, 95433, 110115, 159055, 190866, 220230, 286299, 318110, 477165, 572598, 954330, 1431495, 2862990]

約数ペア:
[(1, 2862990), (2, 1431495), (3, 954330), (5, 572598), (6, 477165), (9, 318110), (10, 286299), (13, 220230), (15, 190866), (18, 159055), (26, 110115), (30, 95433), (39, 73410), (45, 63622), (65, 44046), (78, 36705), (90, 31811), (117, 24470), (130, 22023), (195, 14682), (234, 12235), (390, 7341), (585, 4894), (1170, 2447)]

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