305470900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2070

約数の個数: 108

約数和(自身を含む): 796365696

約数和(自身を除く): 490894796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 310, 350, 434, 490, 620, 700, 775, 868, 980, 1085, 1225, 1519, 1550, 2011, 2170, 2450, 3038, 3100, 4022, 4340, 4900, 5425, 6076, 7595, 8044, 10055, 10850, 14077, 15190, 20110, 21700, 28154, 30380, 37975, 40220, 50275, 56308, 62341, 70385, 75950, 98539, 100550, 124682, 140770, 151900, 197078, 201100, 249364, 281540, 311705, 351925, 394156, 436387, 492695, 623410, 703850, 872774, 985390, 1246820, 1407700, 1558525, 1745548, 1970780, 2181935, 2463475, 3054709, 3117050, 4363870, 4926950, 6109418, 6234100, 8727740, 9853900, 10909675, 12218836, 15273545, 21819350, 30547090, 43638700, 61094180, 76367725, 152735450, 305470900]

約数ペア:

[(1, 305470900), (2, 152735450), (4, 76367725), (5, 61094180), (7, 43638700), (10, 30547090), (14, 21819350), (20, 15273545), (25, 12218836), (28, 10909675), (31, 9853900), (35, 8727740), (49, 6234100), (50, 6109418), (62, 4926950), (70, 4363870), (98, 3117050), (100, 3054709), (124, 2463475), (140, 2181935), (155, 1970780), (175, 1745548), (196, 1558525), (217, 1407700), (245, 1246820), (310, 985390), (350, 872774), (434, 703850), (490, 623410), (620, 492695), (700, 436387), (775, 394156), (868, 351925), (980, 311705), (1085, 281540), (1225, 249364), (1519, 201100), (1550, 197078), (2011, 151900), (2170, 140770), (2450, 124682), (3038, 100550), (3100, 98539), (4022, 75950), (4340, 70385), (4900, 62341), (5425, 56308), (6076, 50275), (7595, 40220), (8044, 37975), (10055, 30380), (10850, 28154), (14077, 21700), (15190, 20110)]