About the Number

490706688

490706687 ← → 490706689

2進数表記:11101001111111001011100000000

漢数字表記:四億九千七十万六千六百八十八

素因数分解:

2 8 × 3 1 × 31 1 × 20611 1

素因数の和:20661
約数の個数: 72
約数和(自身を含む): 1348189696
約数和(自身を除く): 857483008

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 992, 1488, 1984, 2976, 3968, 5952, 7936, 11904, 20611, 23808, 41222, 61833, 82444, 123666, 164888, 247332, 329776, 494664, 638941, 659552, 989328, 1277882, 1319104, 1916823, 1978656, 2555764, 2638208, 3833646, 3957312, 5111528, 5276416, 7667292, 7914624, 10223056, 15334584, 15829248, 20446112, 30669168, 40892224, 61338336, 81784448, 122676672, 163568896, 245353344, 490706688]

約数ペア:
[(1, 490706688), (2, 245353344), (3, 163568896), (4, 122676672), (6, 81784448), (8, 61338336), (12, 40892224), (16, 30669168), (24, 20446112), (31, 15829248), (32, 15334584), (48, 10223056), (62, 7914624), (64, 7667292), (93, 5276416), (96, 5111528), (124, 3957312), (128, 3833646), (186, 2638208), (192, 2555764), (248, 1978656), (256, 1916823), (372, 1319104), (384, 1277882), (496, 989328), (744, 659552), (768, 638941), (992, 494664), (1488, 329776), (1984, 247332), (2976, 164888), (3968, 123666), (5952, 82444), (7936, 61833), (11904, 41222), (20611, 23808)]

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