171230500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 451891440

約数和(自身を除く): 280660940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 125, 140, 145, 175, 196, 203, 241, 245, 250, 290, 350, 406, 482, 490, 500, 580, 700, 725, 812, 875, 964, 980, 1015, 1205, 1225, 1421, 1450, 1687, 1750, 2030, 2410, 2450, 2842, 2900, 3374, 3500, 3625, 4060, 4820, 4900, 5075, 5684, 6025, 6125, 6748, 6989, 7105, 7250, 8435, 10150, 11809, 12050, 12250, 13978, 14210, 14500, 16870, 20300, 23618, 24100, 24500, 25375, 27956, 28420, 30125, 33740, 34945, 35525, 42175, 47236, 48923, 50750, 59045, 60250, 69890, 71050, 84350, 97846, 101500, 118090, 120500, 139780, 142100, 168700, 174725, 177625, 195692, 210875, 236180, 244615, 295225, 342461, 349450, 355250, 421750, 489230, 590450, 684922, 698900, 710500, 843500, 873625, 978460, 1180900, 1223075, 1369844, 1476125, 1712305, 1747250, 2446150, 2952250, 3424610, 3494500, 4892300, 5904500, 6115375, 6849220, 8561525, 12230750, 17123050, 24461500, 34246100, 42807625, 85615250, 171230500]

約数ペア:

[(1, 171230500), (2, 85615250), (4, 42807625), (5, 34246100), (7, 24461500), (10, 17123050), (14, 12230750), (20, 8561525), (25, 6849220), (28, 6115375), (29, 5904500), (35, 4892300), (49, 3494500), (50, 3424610), (58, 2952250), (70, 2446150), (98, 1747250), (100, 1712305), (116, 1476125), (125, 1369844), (140, 1223075), (145, 1180900), (175, 978460), (196, 873625), (203, 843500), (241, 710500), (245, 698900), (250, 684922), (290, 590450), (350, 489230), (406, 421750), (482, 355250), (490, 349450), (500, 342461), (580, 295225), (700, 244615), (725, 236180), (812, 210875), (875, 195692), (964, 177625), (980, 174725), (1015, 168700), (1205, 142100), (1225, 139780), (1421, 120500), (1450, 118090), (1687, 101500), (1750, 97846), (2030, 84350), (2410, 71050), (2450, 69890), (2842, 60250), (2900, 59045), (3374, 50750), (3500, 48923), (3625, 47236), (4060, 42175), (4820, 35525), (4900, 34945), (5075, 33740), (5684, 30125), (6025, 28420), (6125, 27956), (6748, 25375), (6989, 24500), (7105, 24100), (7250, 23618), (8435, 20300), (10150, 16870), (11809, 14500), (12050, 14210), (12250, 13978)]