28297500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^3\times {\mathrm{11}}^1$

素因数の和:59

約数の個数: 240

約数和(自身を含む): 104966400

約数和(自身を除く): 76668900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 49, 50, 55, 60, 66, 70, 75, 77, 84, 98, 100, 105, 110, 125, 132, 140, 147, 150, 154, 165, 175, 196, 210, 220, 231, 245, 250, 275, 294, 300, 308, 330, 343, 350, 375, 385, 420, 462, 490, 500, 525, 539, 550, 588, 625, 660, 686, 700, 735, 750, 770, 825, 875, 924, 980, 1029, 1050, 1078, 1100, 1155, 1225, 1250, 1372, 1375, 1470, 1500, 1540, 1617, 1650, 1715, 1750, 1875, 1925, 2058, 2100, 2156, 2310, 2450, 2500, 2625, 2695, 2750, 2940, 3234, 3300, 3430, 3500, 3675, 3750, 3773, 3850, 4116, 4125, 4375, 4620, 4900, 5145, 5250, 5390, 5500, 5775, 6125, 6468, 6860, 6875, 7350, 7500, 7546, 7700, 8085, 8250, 8575, 8750, 9625, 10290, 10500, 10780, 11319, 11550, 12250, 13125, 13475, 13750, 14700, 15092, 16170, 16500, 17150, 17500, 18375, 18865, 19250, 20580, 20625, 22638, 23100, 24500, 25725, 26250, 26950, 27500, 28875, 30625, 32340, 34300, 36750, 37730, 38500, 40425, 41250, 42875, 45276, 48125, 51450, 52500, 53900, 56595, 57750, 61250, 67375, 73500, 75460, 80850, 82500, 85750, 91875, 94325, 96250, 102900, 113190, 115500, 122500, 128625, 134750, 144375, 161700, 171500, 183750, 188650, 192500, 202125, 214375, 226380, 257250, 269500, 282975, 288750, 336875, 367500, 377300, 404250, 428750, 471625, 514500, 565950, 577500, 643125, 673750, 808500, 857500, 943250, 1010625, 1131900, 1286250, 1347500, 1414875, 1886500, 2021250, 2358125, 2572500, 2829750, 4042500, 4716250, 5659500, 7074375, 9432500, 14148750, 28297500]

約数ペア:

[(1, 28297500), (2, 14148750), (3, 9432500), (4, 7074375), (5, 5659500), (6, 4716250), (7, 4042500), (10, 2829750), (11, 2572500), (12, 2358125), (14, 2021250), (15, 1886500), (20, 1414875), (21, 1347500), (22, 1286250), (25, 1131900), (28, 1010625), (30, 943250), (33, 857500), (35, 808500), (42, 673750), (44, 643125), (49, 577500), (50, 565950), (55, 514500), (60, 471625), (66, 428750), (70, 404250), (75, 377300), (77, 367500), (84, 336875), (98, 288750), (100, 282975), (105, 269500), (110, 257250), (125, 226380), (132, 214375), (140, 202125), (147, 192500), (150, 188650), (154, 183750), (165, 171500), (175, 161700), (196, 144375), (210, 134750), (220, 128625), (231, 122500), (245, 115500), (250, 113190), (275, 102900), (294, 96250), (300, 94325), (308, 91875), (330, 85750), (343, 82500), (350, 80850), (375, 75460), (385, 73500), (420, 67375), (462, 61250), (490, 57750), (500, 56595), (525, 53900), (539, 52500), (550, 51450), (588, 48125), (625, 45276), (660, 42875), (686, 41250), (700, 40425), (735, 38500), (750, 37730), (770, 36750), (825, 34300), (875, 32340), (924, 30625), (980, 28875), (1029, 27500), (1050, 26950), (1078, 26250), (1100, 25725), (1155, 24500), (1225, 23100), (1250, 22638), (1372, 20625), (1375, 20580), (1470, 19250), (1500, 18865), (1540, 18375), (1617, 17500), (1650, 17150), (1715, 16500), (1750, 16170), (1875, 15092), (1925, 14700), (2058, 13750), (2100, 13475), (2156, 13125), (2310, 12250), (2450, 11550), (2500, 11319), (2625, 10780), (2695, 10500), (2750, 10290), (2940, 9625), (3234, 8750), (3300, 8575), (3430, 8250), (3500, 8085), (3675, 7700), (3750, 7546), (3773, 7500), (3850, 7350), (4116, 6875), (4125, 6860), (4375, 6468), (4620, 6125), (4900, 5775), (5145, 5500), (5250, 5390)]