31178000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 160

約数和(自身を含む): 91922688

約数和(自身を除く): 60744688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 125, 131, 136, 140, 170, 175, 200, 238, 250, 262, 272, 280, 340, 350, 400, 425, 476, 500, 524, 560, 595, 655, 680, 700, 850, 875, 917, 952, 1000, 1048, 1190, 1310, 1360, 1400, 1700, 1750, 1834, 1904, 2000, 2096, 2125, 2227, 2380, 2620, 2800, 2975, 3275, 3400, 3500, 3668, 4250, 4454, 4585, 4760, 5240, 5950, 6550, 6800, 7000, 7336, 8500, 8908, 9170, 9520, 10480, 11135, 11900, 13100, 14000, 14672, 14875, 15589, 16375, 17000, 17816, 18340, 22270, 22925, 23800, 26200, 29750, 31178, 32750, 34000, 35632, 36680, 44540, 45850, 47600, 52400, 55675, 59500, 62356, 65500, 73360, 77945, 89080, 91700, 111350, 114625, 119000, 124712, 131000, 155890, 178160, 183400, 222700, 229250, 238000, 249424, 262000, 278375, 311780, 366800, 389725, 445400, 458500, 556750, 623560, 779450, 890800, 917000, 1113500, 1247120, 1558900, 1834000, 1948625, 2227000, 3117800, 3897250, 4454000, 6235600, 7794500, 15589000, 31178000]

約数ペア:

[(1, 31178000), (2, 15589000), (4, 7794500), (5, 6235600), (7, 4454000), (8, 3897250), (10, 3117800), (14, 2227000), (16, 1948625), (17, 1834000), (20, 1558900), (25, 1247120), (28, 1113500), (34, 917000), (35, 890800), (40, 779450), (50, 623560), (56, 556750), (68, 458500), (70, 445400), (80, 389725), (85, 366800), (100, 311780), (112, 278375), (119, 262000), (125, 249424), (131, 238000), (136, 229250), (140, 222700), (170, 183400), (175, 178160), (200, 155890), (238, 131000), (250, 124712), (262, 119000), (272, 114625), (280, 111350), (340, 91700), (350, 89080), (400, 77945), (425, 73360), (476, 65500), (500, 62356), (524, 59500), (560, 55675), (595, 52400), (655, 47600), (680, 45850), (700, 44540), (850, 36680), (875, 35632), (917, 34000), (952, 32750), (1000, 31178), (1048, 29750), (1190, 26200), (1310, 23800), (1360, 22925), (1400, 22270), (1700, 18340), (1750, 17816), (1834, 17000), (1904, 16375), (2000, 15589), (2096, 14875), (2125, 14672), (2227, 14000), (2380, 13100), (2620, 11900), (2800, 11135), (2975, 10480), (3275, 9520), (3400, 9170), (3500, 8908), (3668, 8500), (4250, 7336), (4454, 7000), (4585, 6800), (4760, 6550), (5240, 5950)]