About the Number

208088730

208088729 ← → 208088731

2進数表記:1100011001110010111010011010

漢数字表記:二億八百八万八千七百三十

素因数分解:

2 1 × 3 3 × 5 1 × 797 1 × 967 1

素因数の和:1780
約数の個数: 64
約数和(自身を含む): 556174080
約数和(自身を除く): 348085350

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 797, 967, 1594, 1934, 2391, 2901, 3985, 4782, 4835, 5802, 7173, 7970, 8703, 9670, 11955, 14346, 14505, 17406, 21519, 23910, 26109, 29010, 35865, 43038, 43515, 52218, 71730, 87030, 107595, 130545, 215190, 261090, 770699, 1541398, 2312097, 3853495, 4624194, 6936291, 7706990, 11560485, 13872582, 20808873, 23120970, 34681455, 41617746, 69362910, 104044365, 208088730]

約数ペア:
[(1, 208088730), (2, 104044365), (3, 69362910), (5, 41617746), (6, 34681455), (9, 23120970), (10, 20808873), (15, 13872582), (18, 11560485), (27, 7706990), (30, 6936291), (45, 4624194), (54, 3853495), (90, 2312097), (135, 1541398), (270, 770699), (797, 261090), (967, 215190), (1594, 130545), (1934, 107595), (2391, 87030), (2901, 71730), (3985, 52218), (4782, 43515), (4835, 43038), (5802, 35865), (7173, 29010), (7970, 26109), (8703, 23910), (9670, 21519), (11955, 17406), (14346, 14505)]

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