About the Number

201680490

201680489 ← → 201680491

2進数表記:1100000001010110011001101010

漢数字表記:二億百六十八万四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 739 1 × 827 1

素因数の和:1587
約数の個数: 64
約数和(自身を含む): 529390080
約数和(自身を除く): 327709590

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 739, 827, 1478, 1654, 2217, 2481, 3695, 4135, 4434, 4962, 7390, 8129, 8270, 9097, 11085, 12405, 16258, 18194, 22170, 24387, 24810, 27291, 40645, 45485, 48774, 54582, 81290, 90970, 121935, 136455, 243870, 272910, 611153, 1222306, 1833459, 3055765, 3666918, 6111530, 6722683, 9167295, 13445366, 18334590, 20168049, 33613415, 40336098, 67226830, 100840245, 201680490]

約数ペア:
[(1, 201680490), (2, 100840245), (3, 67226830), (5, 40336098), (6, 33613415), (10, 20168049), (11, 18334590), (15, 13445366), (22, 9167295), (30, 6722683), (33, 6111530), (55, 3666918), (66, 3055765), (110, 1833459), (165, 1222306), (330, 611153), (739, 272910), (827, 243870), (1478, 136455), (1654, 121935), (2217, 90970), (2481, 81290), (3695, 54582), (4135, 48774), (4434, 45485), (4962, 40645), (7390, 27291), (8129, 24810), (8270, 24387), (9097, 22170), (11085, 18194), (12405, 16258)]

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