171488900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 431972352

約数和(自身を除く): 260483452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 47, 50, 55, 62, 94, 100, 107, 110, 124, 155, 188, 214, 220, 235, 275, 310, 341, 428, 470, 517, 535, 550, 620, 682, 775, 940, 1034, 1070, 1100, 1175, 1177, 1364, 1457, 1550, 1705, 2068, 2140, 2350, 2354, 2585, 2675, 2914, 3100, 3317, 3410, 4700, 4708, 5029, 5170, 5350, 5828, 5885, 6634, 6820, 7285, 8525, 10058, 10340, 10700, 11770, 12925, 13268, 14570, 16027, 16585, 17050, 20116, 23540, 25145, 25850, 29140, 29425, 32054, 33170, 34100, 36425, 36487, 50290, 51700, 55319, 58850, 64108, 66340, 72850, 72974, 80135, 82925, 100580, 110638, 117700, 125725, 145700, 145948, 155899, 160270, 165850, 182435, 221276, 251450, 276595, 311798, 320540, 331700, 364870, 400675, 502900, 553190, 623596, 729740, 779495, 801350, 912175, 1106380, 1382975, 1558990, 1602700, 1714889, 1824350, 2765950, 3117980, 3429778, 3648700, 3897475, 5531900, 6859556, 7794950, 8574445, 15589900, 17148890, 34297780, 42872225, 85744450, 171488900]

約数ペア:

[(1, 171488900), (2, 85744450), (4, 42872225), (5, 34297780), (10, 17148890), (11, 15589900), (20, 8574445), (22, 7794950), (25, 6859556), (31, 5531900), (44, 3897475), (47, 3648700), (50, 3429778), (55, 3117980), (62, 2765950), (94, 1824350), (100, 1714889), (107, 1602700), (110, 1558990), (124, 1382975), (155, 1106380), (188, 912175), (214, 801350), (220, 779495), (235, 729740), (275, 623596), (310, 553190), (341, 502900), (428, 400675), (470, 364870), (517, 331700), (535, 320540), (550, 311798), (620, 276595), (682, 251450), (775, 221276), (940, 182435), (1034, 165850), (1070, 160270), (1100, 155899), (1175, 145948), (1177, 145700), (1364, 125725), (1457, 117700), (1550, 110638), (1705, 100580), (2068, 82925), (2140, 80135), (2350, 72974), (2354, 72850), (2585, 66340), (2675, 64108), (2914, 58850), (3100, 55319), (3317, 51700), (3410, 50290), (4700, 36487), (4708, 36425), (5029, 34100), (5170, 33170), (5350, 32054), (5828, 29425), (5885, 29140), (6634, 25850), (6820, 25145), (7285, 23540), (8525, 20116), (10058, 17050), (10340, 16585), (10700, 16027), (11770, 14570), (12925, 13268)]