919068040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 2371057920

約数和(自身を除く): 1451989880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 197, 220, 230, 253, 394, 440, 460, 461, 506, 788, 920, 922, 985, 1012, 1265, 1576, 1844, 1970, 2024, 2167, 2305, 2530, 3688, 3940, 4334, 4531, 4610, 5060, 5071, 7880, 8668, 9062, 9220, 10120, 10142, 10603, 10835, 17336, 18124, 18440, 20284, 21206, 21670, 22655, 25355, 36248, 40568, 42412, 43340, 45310, 49841, 50710, 53015, 84824, 86680, 90620, 90817, 99682, 101420, 106030, 116633, 181240, 181634, 199364, 202840, 212060, 233266, 249205, 363268, 398728, 424120, 454085, 466532, 498410, 583165, 726536, 908170, 933064, 996820, 998987, 1166330, 1816340, 1993640, 1997974, 2088791, 2332660, 3632680, 3995948, 4177582, 4665320, 4994935, 7991896, 8355164, 9989870, 10443955, 16710328, 19979740, 20887910, 22976701, 39959480, 41775820, 45953402, 83551640, 91906804, 114883505, 183813608, 229767010, 459534020, 919068040]

約数ペア:

[(1, 919068040), (2, 459534020), (4, 229767010), (5, 183813608), (8, 114883505), (10, 91906804), (11, 83551640), (20, 45953402), (22, 41775820), (23, 39959480), (40, 22976701), (44, 20887910), (46, 19979740), (55, 16710328), (88, 10443955), (92, 9989870), (110, 8355164), (115, 7991896), (184, 4994935), (197, 4665320), (220, 4177582), (230, 3995948), (253, 3632680), (394, 2332660), (440, 2088791), (460, 1997974), (461, 1993640), (506, 1816340), (788, 1166330), (920, 998987), (922, 996820), (985, 933064), (1012, 908170), (1265, 726536), (1576, 583165), (1844, 498410), (1970, 466532), (2024, 454085), (2167, 424120), (2305, 398728), (2530, 363268), (3688, 249205), (3940, 233266), (4334, 212060), (4531, 202840), (4610, 199364), (5060, 181634), (5071, 181240), (7880, 116633), (8668, 106030), (9062, 101420), (9220, 99682), (10120, 90817), (10142, 90620), (10603, 86680), (10835, 84824), (17336, 53015), (18124, 50710), (18440, 49841), (20284, 45310), (21206, 43340), (21670, 42412), (22655, 40568), (25355, 36248)]