40128900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 134741376

約数和(自身を除く): 94612476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 97, 100, 105, 140, 150, 175, 194, 197, 210, 291, 300, 350, 388, 394, 420, 485, 525, 582, 591, 679, 700, 788, 970, 985, 1050, 1164, 1182, 1358, 1379, 1455, 1940, 1970, 2037, 2100, 2364, 2425, 2716, 2758, 2910, 2955, 3395, 3940, 4074, 4137, 4850, 4925, 5516, 5820, 5910, 6790, 6895, 7275, 8148, 8274, 9700, 9850, 10185, 11820, 13580, 13790, 14550, 14775, 16548, 16975, 19109, 19700, 20370, 20685, 27580, 29100, 29550, 33950, 34475, 38218, 40740, 41370, 50925, 57327, 59100, 67900, 68950, 76436, 82740, 95545, 101850, 103425, 114654, 133763, 137900, 191090, 203700, 206850, 229308, 267526, 286635, 382180, 401289, 413700, 477725, 535052, 573270, 668815, 802578, 955450, 1146540, 1337630, 1433175, 1605156, 1910900, 2006445, 2675260, 2866350, 3344075, 4012890, 5732700, 6688150, 8025780, 10032225, 13376300, 20064450, 40128900]

約数ペア:

[(1, 40128900), (2, 20064450), (3, 13376300), (4, 10032225), (5, 8025780), (6, 6688150), (7, 5732700), (10, 4012890), (12, 3344075), (14, 2866350), (15, 2675260), (20, 2006445), (21, 1910900), (25, 1605156), (28, 1433175), (30, 1337630), (35, 1146540), (42, 955450), (50, 802578), (60, 668815), (70, 573270), (75, 535052), (84, 477725), (97, 413700), (100, 401289), (105, 382180), (140, 286635), (150, 267526), (175, 229308), (194, 206850), (197, 203700), (210, 191090), (291, 137900), (300, 133763), (350, 114654), (388, 103425), (394, 101850), (420, 95545), (485, 82740), (525, 76436), (582, 68950), (591, 67900), (679, 59100), (700, 57327), (788, 50925), (970, 41370), (985, 40740), (1050, 38218), (1164, 34475), (1182, 33950), (1358, 29550), (1379, 29100), (1455, 27580), (1940, 20685), (1970, 20370), (2037, 19700), (2100, 19109), (2364, 16975), (2425, 16548), (2716, 14775), (2758, 14550), (2910, 13790), (2955, 13580), (3395, 11820), (3940, 10185), (4074, 9850), (4137, 9700), (4850, 8274), (4925, 8148), (5516, 7275), (5820, 6895), (5910, 6790)]