About the Number

27980910

27980909 ← → 27980911

2進数表記:1101010101111010001101110

漢数字表記:二千七百九十八万九百十

素因数分解:

2 1 × 3 3 × 5 1 × 31 1 × 3343 1

素因数の和:3390
約数の個数: 64
約数和(自身を含む): 77045760
約数和(自身を除く): 49064850

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 3343, 4185, 6686, 8370, 10029, 16715, 20058, 30087, 33430, 50145, 60174, 90261, 100290, 103633, 150435, 180522, 207266, 300870, 310899, 451305, 518165, 621798, 902610, 932697, 1036330, 1554495, 1865394, 2798091, 3108990, 4663485, 5596182, 9326970, 13990455, 27980910]

約数ペア:
[(1, 27980910), (2, 13990455), (3, 9326970), (5, 5596182), (6, 4663485), (9, 3108990), (10, 2798091), (15, 1865394), (18, 1554495), (27, 1036330), (30, 932697), (31, 902610), (45, 621798), (54, 518165), (62, 451305), (90, 310899), (93, 300870), (135, 207266), (155, 180522), (186, 150435), (270, 103633), (279, 100290), (310, 90261), (465, 60174), (558, 50145), (837, 33430), (930, 30087), (1395, 20058), (1674, 16715), (2790, 10029), (3343, 8370), (4185, 6686)]

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