213550120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 584236800

約数和(自身を除く): 370686680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 137, 140, 152, 190, 266, 274, 280, 293, 380, 532, 548, 586, 665, 685, 760, 959, 1064, 1096, 1172, 1330, 1370, 1465, 1918, 2051, 2344, 2603, 2660, 2740, 2930, 3836, 4102, 4795, 5206, 5320, 5480, 5567, 5860, 7672, 8204, 9590, 10255, 10412, 11134, 11720, 13015, 16408, 18221, 19180, 20510, 20824, 22268, 26030, 27835, 36442, 38360, 38969, 40141, 41020, 44536, 52060, 55670, 72884, 77938, 80282, 82040, 91105, 104120, 111340, 145768, 155876, 160564, 182210, 194845, 200705, 222680, 280987, 311752, 321128, 364420, 389690, 401410, 561974, 728840, 762679, 779380, 802820, 1123948, 1404935, 1525358, 1558760, 1605640, 2247896, 2809870, 3050716, 3813395, 5338753, 5619740, 6101432, 7626790, 10677506, 11239480, 15253580, 21355012, 26693765, 30507160, 42710024, 53387530, 106775060, 213550120]

約数ペア:

[(1, 213550120), (2, 106775060), (4, 53387530), (5, 42710024), (7, 30507160), (8, 26693765), (10, 21355012), (14, 15253580), (19, 11239480), (20, 10677506), (28, 7626790), (35, 6101432), (38, 5619740), (40, 5338753), (56, 3813395), (70, 3050716), (76, 2809870), (95, 2247896), (133, 1605640), (137, 1558760), (140, 1525358), (152, 1404935), (190, 1123948), (266, 802820), (274, 779380), (280, 762679), (293, 728840), (380, 561974), (532, 401410), (548, 389690), (586, 364420), (665, 321128), (685, 311752), (760, 280987), (959, 222680), (1064, 200705), (1096, 194845), (1172, 182210), (1330, 160564), (1370, 155876), (1465, 145768), (1918, 111340), (2051, 104120), (2344, 91105), (2603, 82040), (2660, 80282), (2740, 77938), (2930, 72884), (3836, 55670), (4102, 52060), (4795, 44536), (5206, 41020), (5320, 40141), (5480, 38969), (5567, 38360), (5860, 36442), (7672, 27835), (8204, 26030), (9590, 22268), (10255, 20824), (10412, 20510), (11134, 19180), (11720, 18221), (13015, 16408)]