2131500

素因数分解:

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

素因数の和:65

約数の個数: 144

約数和(自身を含む): 7469280

約数和(自身を除く): 5337780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 49, 50, 58, 60, 70, 75, 84, 87, 98, 100, 105, 116, 125, 140, 145, 147, 150, 174, 175, 196, 203, 210, 245, 250, 290, 294, 300, 348, 350, 375, 406, 420, 435, 490, 500, 525, 580, 588, 609, 700, 725, 735, 750, 812, 870, 875, 980, 1015, 1050, 1218, 1225, 1421, 1450, 1470, 1500, 1740, 1750, 2030, 2100, 2175, 2436, 2450, 2625, 2842, 2900, 2940, 3045, 3500, 3625, 3675, 4060, 4263, 4350, 4900, 5075, 5250, 5684, 6090, 6125, 7105, 7250, 7350, 8526, 8700, 10150, 10500, 10875, 12180, 12250, 14210, 14500, 14700, 15225, 17052, 18375, 20300, 21315, 21750, 24500, 25375, 28420, 30450, 35525, 36750, 42630, 43500, 50750, 60900, 71050, 73500, 76125, 85260, 101500, 106575, 142100, 152250, 177625, 213150, 304500, 355250, 426300, 532875, 710500, 1065750, 2131500]

約数ペア:

[(1, 2131500), (2, 1065750), (3, 710500), (4, 532875), (5, 426300), (6, 355250), (7, 304500), (10, 213150), (12, 177625), (14, 152250), (15, 142100), (20, 106575), (21, 101500), (25, 85260), (28, 76125), (29, 73500), (30, 71050), (35, 60900), (42, 50750), (49, 43500), (50, 42630), (58, 36750), (60, 35525), (70, 30450), (75, 28420), (84, 25375), (87, 24500), (98, 21750), (100, 21315), (105, 20300), (116, 18375), (125, 17052), (140, 15225), (145, 14700), (147, 14500), (150, 14210), (174, 12250), (175, 12180), (196, 10875), (203, 10500), (210, 10150), (245, 8700), (250, 8526), (290, 7350), (294, 7250), (300, 7105), (348, 6125), (350, 6090), (375, 5684), (406, 5250), (420, 5075), (435, 4900), (490, 4350), (500, 4263), (525, 4060), (580, 3675), (588, 3625), (609, 3500), (700, 3045), (725, 2940), (735, 2900), (750, 2842), (812, 2625), (870, 2450), (875, 2436), (980, 2175), (1015, 2100), (1050, 2030), (1218, 1750), (1225, 1740), (1421, 1500), (1450, 1470)]