About the Number

29856990

29856989 ← → 29856991

2進数表記:1110001111001010011011110

漢数字表記:二千九百八十五万六千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 43271 1

素因数の和:43304
約数の個数: 32
約数和(自身を含む): 74774016
約数和(自身を除く): 44917026

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 43271, 86542, 129813, 216355, 259626, 432710, 649065, 995233, 1298130, 1990466, 2985699, 4976165, 5971398, 9952330, 14928495, 29856990]

約数ペア:
[(1, 29856990), (2, 14928495), (3, 9952330), (5, 5971398), (6, 4976165), (10, 2985699), (15, 1990466), (23, 1298130), (30, 995233), (46, 649065), (69, 432710), (115, 259626), (138, 216355), (230, 129813), (345, 86542), (690, 43271)]

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