About the Number

490902048

490902047 ← → 490902049

2進数表記:11101010000101001001000100000

漢数字表記:四億九千九十万二千四十八

素因数分解:

2 5 × 3 2 × 7 1 × 13 1 × 18731 1

素因数の和:18767
約数の個数: 144
約数和(自身を含む): 1718248896
約数和(自身を除く): 1227346848

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3276, 3744, 4368, 6552, 8736, 13104, 18731, 26208, 37462, 56193, 74924, 112386, 131117, 149848, 168579, 224772, 243503, 262234, 299696, 337158, 393351, 449544, 487006, 524468, 599392, 674316, 730509, 786702, 899088, 974012, 1048936, 1180053, 1348632, 1461018, 1573404, 1704521, 1798176, 1948024, 2097872, 2191527, 2360106, 2697264, 2922036, 3146808, 3409042, 3896048, 4195744, 4383054, 4720212, 5113563, 5394528, 5844072, 6293616, 6818084, 7792096, 8766108, 9440424, 10227126, 11688144, 12587232, 13636168, 15340689, 17532216, 18880848, 20454252, 23376288, 27272336, 30681378, 35064432, 37761696, 40908504, 54544672, 61362756, 70128864, 81817008, 122725512, 163634016, 245451024, 490902048]

約数ペア:
[(1, 490902048), (2, 245451024), (3, 163634016), (4, 122725512), (6, 81817008), (7, 70128864), (8, 61362756), (9, 54544672), (12, 40908504), (13, 37761696), (14, 35064432), (16, 30681378), (18, 27272336), (21, 23376288), (24, 20454252), (26, 18880848), (28, 17532216), (32, 15340689), (36, 13636168), (39, 12587232), (42, 11688144), (48, 10227126), (52, 9440424), (56, 8766108), (63, 7792096), (72, 6818084), (78, 6293616), (84, 5844072), (91, 5394528), (96, 5113563), (104, 4720212), (112, 4383054), (117, 4195744), (126, 3896048), (144, 3409042), (156, 3146808), (168, 2922036), (182, 2697264), (208, 2360106), (224, 2191527), (234, 2097872), (252, 1948024), (273, 1798176), (288, 1704521), (312, 1573404), (336, 1461018), (364, 1348632), (416, 1180053), (468, 1048936), (504, 974012), (546, 899088), (624, 786702), (672, 730509), (728, 674316), (819, 599392), (936, 524468), (1008, 487006), (1092, 449544), (1248, 393351), (1456, 337158), (1638, 299696), (1872, 262234), (2016, 243503), (2184, 224772), (2912, 168579), (3276, 149848), (3744, 131117), (4368, 112386), (6552, 74924), (8736, 56193), (13104, 37462), (18731, 26208)]

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