About the Number

2128722440

2128722439 ← → 2128722441

2進数表記:1111110111000011011101000001000

漢数字表記:二十一億二千八百七十二万二千四百四十

素因数分解:

2 3 × 5 1 × 13 1 × 137 1 × 29881 1

素因数の和:30042
約数の個数: 64
約数和(自身を含む): 5195882160
約数和(自身を除く): 3067159720

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 5480, 7124, 8905, 14248, 17810, 29881, 35620, 59762, 71240, 119524, 149405, 239048, 298810, 388453, 597620, 776906, 1195240, 1553812, 1942265, 3107624, 3884530, 4093697, 7769060, 8187394, 15538120, 16374788, 20468485, 32749576, 40936970, 53218061, 81873940, 106436122, 163747880, 212872244, 266090305, 425744488, 532180610, 1064361220, 2128722440]

約数ペア:
[(1, 2128722440), (2, 1064361220), (4, 532180610), (5, 425744488), (8, 266090305), (10, 212872244), (13, 163747880), (20, 106436122), (26, 81873940), (40, 53218061), (52, 40936970), (65, 32749576), (104, 20468485), (130, 16374788), (137, 15538120), (260, 8187394), (274, 7769060), (520, 4093697), (548, 3884530), (685, 3107624), (1096, 1942265), (1370, 1553812), (1781, 1195240), (2740, 776906), (3562, 597620), (5480, 388453), (7124, 298810), (8905, 239048), (14248, 149405), (17810, 119524), (29881, 71240), (35620, 59762)]

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