12911500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 35852544

約数和(自身を除く): 22941044

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 49, 50, 62, 68, 70, 85, 98, 100, 119, 124, 125, 140, 155, 170, 175, 196, 217, 238, 245, 250, 310, 340, 350, 425, 434, 476, 490, 500, 527, 595, 620, 700, 775, 833, 850, 868, 875, 980, 1054, 1085, 1190, 1225, 1519, 1550, 1666, 1700, 1750, 2108, 2125, 2170, 2380, 2450, 2635, 2975, 3038, 3100, 3332, 3500, 3689, 3875, 4165, 4250, 4340, 4900, 5270, 5425, 5950, 6076, 6125, 7378, 7595, 7750, 8330, 8500, 10540, 10850, 11900, 12250, 13175, 14756, 14875, 15190, 15500, 16660, 18445, 20825, 21700, 24500, 25823, 26350, 27125, 29750, 30380, 36890, 37975, 41650, 51646, 52700, 54250, 59500, 65875, 73780, 75950, 83300, 92225, 103292, 104125, 108500, 129115, 131750, 151900, 184450, 189875, 208250, 258230, 263500, 368900, 379750, 416500, 461125, 516460, 645575, 759500, 922250, 1291150, 1844500, 2582300, 3227875, 6455750, 12911500]

約数ペア:

[(1, 12911500), (2, 6455750), (4, 3227875), (5, 2582300), (7, 1844500), (10, 1291150), (14, 922250), (17, 759500), (20, 645575), (25, 516460), (28, 461125), (31, 416500), (34, 379750), (35, 368900), (49, 263500), (50, 258230), (62, 208250), (68, 189875), (70, 184450), (85, 151900), (98, 131750), (100, 129115), (119, 108500), (124, 104125), (125, 103292), (140, 92225), (155, 83300), (170, 75950), (175, 73780), (196, 65875), (217, 59500), (238, 54250), (245, 52700), (250, 51646), (310, 41650), (340, 37975), (350, 36890), (425, 30380), (434, 29750), (476, 27125), (490, 26350), (500, 25823), (527, 24500), (595, 21700), (620, 20825), (700, 18445), (775, 16660), (833, 15500), (850, 15190), (868, 14875), (875, 14756), (980, 13175), (1054, 12250), (1085, 11900), (1190, 10850), (1225, 10540), (1519, 8500), (1550, 8330), (1666, 7750), (1700, 7595), (1750, 7378), (2108, 6125), (2125, 6076), (2170, 5950), (2380, 5425), (2450, 5270), (2635, 4900), (2975, 4340), (3038, 4250), (3100, 4165), (3332, 3875), (3500, 3689)]