1887900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 6666240

約数和(自身を除く): 4778340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 31, 35, 42, 50, 58, 60, 62, 70, 75, 84, 87, 93, 100, 105, 116, 124, 140, 145, 150, 155, 174, 175, 186, 203, 210, 217, 290, 300, 310, 348, 350, 372, 406, 420, 434, 435, 465, 525, 580, 609, 620, 651, 700, 725, 775, 812, 868, 870, 899, 930, 1015, 1050, 1085, 1218, 1302, 1450, 1550, 1740, 1798, 1860, 2030, 2100, 2170, 2175, 2325, 2436, 2604, 2697, 2900, 3045, 3100, 3255, 3596, 4060, 4340, 4350, 4495, 4650, 5075, 5394, 5425, 6090, 6293, 6510, 8700, 8990, 9300, 10150, 10788, 10850, 12180, 12586, 13020, 13485, 15225, 16275, 17980, 18879, 20300, 21700, 22475, 25172, 26970, 30450, 31465, 32550, 37758, 44950, 53940, 60900, 62930, 65100, 67425, 75516, 89900, 94395, 125860, 134850, 157325, 188790, 269700, 314650, 377580, 471975, 629300, 943950, 1887900]

約数ペア:

[(1, 1887900), (2, 943950), (3, 629300), (4, 471975), (5, 377580), (6, 314650), (7, 269700), (10, 188790), (12, 157325), (14, 134850), (15, 125860), (20, 94395), (21, 89900), (25, 75516), (28, 67425), (29, 65100), (30, 62930), (31, 60900), (35, 53940), (42, 44950), (50, 37758), (58, 32550), (60, 31465), (62, 30450), (70, 26970), (75, 25172), (84, 22475), (87, 21700), (93, 20300), (100, 18879), (105, 17980), (116, 16275), (124, 15225), (140, 13485), (145, 13020), (150, 12586), (155, 12180), (174, 10850), (175, 10788), (186, 10150), (203, 9300), (210, 8990), (217, 8700), (290, 6510), (300, 6293), (310, 6090), (348, 5425), (350, 5394), (372, 5075), (406, 4650), (420, 4495), (434, 4350), (435, 4340), (465, 4060), (525, 3596), (580, 3255), (609, 3100), (620, 3045), (651, 2900), (700, 2697), (725, 2604), (775, 2436), (812, 2325), (868, 2175), (870, 2170), (899, 2100), (930, 2030), (1015, 1860), (1050, 1798), (1085, 1740), (1218, 1550), (1302, 1450)]