28663500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 84756672

約数和(自身を除く): 56093172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 125, 150, 194, 197, 250, 291, 300, 375, 388, 394, 485, 500, 582, 591, 750, 788, 970, 985, 1164, 1182, 1455, 1500, 1940, 1970, 2364, 2425, 2910, 2955, 3940, 4850, 4925, 5820, 5910, 7275, 9700, 9850, 11820, 12125, 14550, 14775, 19109, 19700, 24250, 24625, 29100, 29550, 36375, 38218, 48500, 49250, 57327, 59100, 72750, 73875, 76436, 95545, 98500, 114654, 145500, 147750, 191090, 229308, 286635, 295500, 382180, 477725, 573270, 955450, 1146540, 1433175, 1910900, 2388625, 2866350, 4777250, 5732700, 7165875, 9554500, 14331750, 28663500]

約数ペア:

[(1, 28663500), (2, 14331750), (3, 9554500), (4, 7165875), (5, 5732700), (6, 4777250), (10, 2866350), (12, 2388625), (15, 1910900), (20, 1433175), (25, 1146540), (30, 955450), (50, 573270), (60, 477725), (75, 382180), (97, 295500), (100, 286635), (125, 229308), (150, 191090), (194, 147750), (197, 145500), (250, 114654), (291, 98500), (300, 95545), (375, 76436), (388, 73875), (394, 72750), (485, 59100), (500, 57327), (582, 49250), (591, 48500), (750, 38218), (788, 36375), (970, 29550), (985, 29100), (1164, 24625), (1182, 24250), (1455, 19700), (1500, 19109), (1940, 14775), (1970, 14550), (2364, 12125), (2425, 11820), (2910, 9850), (2955, 9700), (3940, 7275), (4850, 5910), (4925, 5820)]