199797400

素因数分解:

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

素因数の和:685

約数の個数: 96

約数和(自身を含む): 510436080

約数和(自身を除く): 310638680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 197, 200, 220, 275, 394, 440, 461, 550, 788, 922, 985, 1100, 1576, 1844, 1970, 2167, 2200, 2305, 3688, 3940, 4334, 4610, 4925, 5071, 7880, 8668, 9220, 9850, 10142, 10835, 11525, 17336, 18440, 19700, 20284, 21670, 23050, 25355, 39400, 40568, 43340, 46100, 50710, 54175, 86680, 90817, 92200, 101420, 108350, 126775, 181634, 202840, 216700, 253550, 363268, 433400, 454085, 507100, 726536, 908170, 998987, 1014200, 1816340, 1997974, 2270425, 3632680, 3995948, 4540850, 4994935, 7991896, 9081700, 9989870, 18163400, 19979740, 24974675, 39959480, 49949350, 99898700, 199797400]

約数ペア:

[(1, 199797400), (2, 99898700), (4, 49949350), (5, 39959480), (8, 24974675), (10, 19979740), (11, 18163400), (20, 9989870), (22, 9081700), (25, 7991896), (40, 4994935), (44, 4540850), (50, 3995948), (55, 3632680), (88, 2270425), (100, 1997974), (110, 1816340), (197, 1014200), (200, 998987), (220, 908170), (275, 726536), (394, 507100), (440, 454085), (461, 433400), (550, 363268), (788, 253550), (922, 216700), (985, 202840), (1100, 181634), (1576, 126775), (1844, 108350), (1970, 101420), (2167, 92200), (2200, 90817), (2305, 86680), (3688, 54175), (3940, 50710), (4334, 46100), (4610, 43340), (4925, 40568), (5071, 39400), (7880, 25355), (8668, 23050), (9220, 21670), (9850, 20284), (10142, 19700), (10835, 18440), (11525, 17336)]