85990500

素因数分解:

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

素因数の和:319

約数の個数: 144

約数和(自身を含む): 275459184

約数和(自身を除く): 189468684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 97, 100, 125, 150, 180, 194, 197, 225, 250, 291, 300, 375, 388, 394, 450, 485, 500, 582, 591, 750, 788, 873, 900, 970, 985, 1125, 1164, 1182, 1455, 1500, 1746, 1773, 1940, 1970, 2250, 2364, 2425, 2910, 2955, 3492, 3546, 3940, 4365, 4500, 4850, 4925, 5820, 5910, 7092, 7275, 8730, 8865, 9700, 9850, 11820, 12125, 14550, 14775, 17460, 17730, 19109, 19700, 21825, 24250, 24625, 29100, 29550, 35460, 36375, 38218, 43650, 44325, 48500, 49250, 57327, 59100, 72750, 73875, 76436, 87300, 88650, 95545, 98500, 109125, 114654, 145500, 147750, 171981, 177300, 191090, 218250, 221625, 229308, 286635, 295500, 343962, 382180, 436500, 443250, 477725, 573270, 687924, 859905, 886500, 955450, 1146540, 1433175, 1719810, 1910900, 2388625, 2866350, 3439620, 4299525, 4777250, 5732700, 7165875, 8599050, 9554500, 14331750, 17198100, 21497625, 28663500, 42995250, 85990500]

約数ペア:

[(1, 85990500), (2, 42995250), (3, 28663500), (4, 21497625), (5, 17198100), (6, 14331750), (9, 9554500), (10, 8599050), (12, 7165875), (15, 5732700), (18, 4777250), (20, 4299525), (25, 3439620), (30, 2866350), (36, 2388625), (45, 1910900), (50, 1719810), (60, 1433175), (75, 1146540), (90, 955450), (97, 886500), (100, 859905), (125, 687924), (150, 573270), (180, 477725), (194, 443250), (197, 436500), (225, 382180), (250, 343962), (291, 295500), (300, 286635), (375, 229308), (388, 221625), (394, 218250), (450, 191090), (485, 177300), (500, 171981), (582, 147750), (591, 145500), (750, 114654), (788, 109125), (873, 98500), (900, 95545), (970, 88650), (985, 87300), (1125, 76436), (1164, 73875), (1182, 72750), (1455, 59100), (1500, 57327), (1746, 49250), (1773, 48500), (1940, 44325), (1970, 43650), (2250, 38218), (2364, 36375), (2425, 35460), (2910, 29550), (2955, 29100), (3492, 24625), (3546, 24250), (3940, 21825), (4365, 19700), (4500, 19109), (4850, 17730), (4925, 17460), (5820, 14775), (5910, 14550), (7092, 12125), (7275, 11820), (8730, 9850), (8865, 9700)]