388972500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 240

約数和(自身を含む): 1343569920

約数和(自身を除く): 954597420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 125, 140, 150, 155, 175, 186, 210, 217, 239, 250, 300, 310, 350, 372, 375, 420, 434, 465, 478, 500, 525, 620, 625, 651, 700, 717, 750, 775, 868, 875, 930, 956, 1050, 1085, 1195, 1250, 1302, 1434, 1500, 1550, 1673, 1750, 1860, 1875, 2100, 2170, 2325, 2390, 2500, 2604, 2625, 2868, 3100, 3255, 3346, 3500, 3585, 3750, 3875, 4340, 4375, 4650, 4780, 5019, 5250, 5425, 5975, 6510, 6692, 7170, 7409, 7500, 7750, 8365, 8750, 9300, 10038, 10500, 10850, 11625, 11950, 13020, 13125, 14340, 14818, 15500, 16275, 16730, 17500, 17925, 19375, 20076, 21700, 22227, 23250, 23900, 25095, 26250, 27125, 29636, 29875, 32550, 33460, 35850, 37045, 38750, 41825, 44454, 46500, 50190, 51863, 52500, 54250, 58125, 59750, 65100, 71700, 74090, 77500, 81375, 83650, 88908, 89625, 100380, 103726, 108500, 111135, 116250, 119500, 125475, 135625, 148180, 149375, 155589, 162750, 167300, 179250, 185225, 207452, 209125, 222270, 232500, 250950, 259315, 271250, 298750, 311178, 325500, 358500, 370450, 406875, 418250, 444540, 448125, 501900, 518630, 542500, 555675, 597500, 622356, 627375, 740900, 777945, 813750, 836500, 896250, 926125, 1037260, 1045625, 1111350, 1254750, 1296575, 1555890, 1627500, 1792500, 1852250, 2091250, 2222700, 2509500, 2593150, 2778375, 3111780, 3136875, 3704500, 3889725, 4182500, 4630625, 5186300, 5556750, 6273750, 6482875, 7779450, 9261250, 11113500, 12547500, 12965750, 13891875, 15558900, 18522500, 19448625, 25931500, 27783750, 32414375, 38897250, 55567500, 64828750, 77794500, 97243125, 129657500, 194486250, 388972500]

約数ペア:

[(1, 388972500), (2, 194486250), (3, 129657500), (4, 97243125), (5, 77794500), (6, 64828750), (7, 55567500), (10, 38897250), (12, 32414375), (14, 27783750), (15, 25931500), (20, 19448625), (21, 18522500), (25, 15558900), (28, 13891875), (30, 12965750), (31, 12547500), (35, 11113500), (42, 9261250), (50, 7779450), (60, 6482875), (62, 6273750), (70, 5556750), (75, 5186300), (84, 4630625), (93, 4182500), (100, 3889725), (105, 3704500), (124, 3136875), (125, 3111780), (140, 2778375), (150, 2593150), (155, 2509500), (175, 2222700), (186, 2091250), (210, 1852250), (217, 1792500), (239, 1627500), (250, 1555890), (300, 1296575), (310, 1254750), (350, 1111350), (372, 1045625), (375, 1037260), (420, 926125), (434, 896250), (465, 836500), (478, 813750), (500, 777945), (525, 740900), (620, 627375), (625, 622356), (651, 597500), (700, 555675), (717, 542500), (750, 518630), (775, 501900), (868, 448125), (875, 444540), (930, 418250), (956, 406875), (1050, 370450), (1085, 358500), (1195, 325500), (1250, 311178), (1302, 298750), (1434, 271250), (1500, 259315), (1550, 250950), (1673, 232500), (1750, 222270), (1860, 209125), (1875, 207452), (2100, 185225), (2170, 179250), (2325, 167300), (2390, 162750), (2500, 155589), (2604, 149375), (2625, 148180), (2868, 135625), (3100, 125475), (3255, 119500), (3346, 116250), (3500, 111135), (3585, 108500), (3750, 103726), (3875, 100380), (4340, 89625), (4375, 88908), (4650, 83650), (4780, 81375), (5019, 77500), (5250, 74090), (5425, 71700), (5975, 65100), (6510, 59750), (6692, 58125), (7170, 54250), (7409, 52500), (7500, 51863), (7750, 50190), (8365, 46500), (8750, 44454), (9300, 41825), (10038, 38750), (10500, 37045), (10850, 35850), (11625, 33460), (11950, 32550), (13020, 29875), (13125, 29636), (14340, 27125), (14818, 26250), (15500, 25095), (16275, 23900), (16730, 23250), (17500, 22227), (17925, 21700), (19375, 20076)]