212920400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 661291008

約数和(自身を除く): 448370608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 31, 35, 40, 44, 50, 55, 56, 62, 70, 77, 80, 88, 100, 110, 112, 124, 140, 154, 155, 175, 176, 200, 217, 220, 223, 248, 275, 280, 308, 310, 341, 350, 385, 400, 434, 440, 446, 496, 550, 560, 616, 620, 682, 700, 770, 775, 868, 880, 892, 1085, 1100, 1115, 1232, 1240, 1364, 1400, 1540, 1550, 1561, 1705, 1736, 1784, 1925, 2170, 2200, 2230, 2387, 2453, 2480, 2728, 2800, 3080, 3100, 3122, 3410, 3472, 3568, 3850, 4340, 4400, 4460, 4774, 4906, 5425, 5456, 5575, 6160, 6200, 6244, 6820, 6913, 7700, 7805, 8525, 8680, 8920, 9548, 9812, 10850, 11150, 11935, 12265, 12400, 12488, 13640, 13826, 15400, 15610, 17050, 17171, 17360, 17840, 19096, 19624, 21700, 22300, 23870, 24530, 24976, 27280, 27652, 30800, 31220, 34100, 34342, 34565, 38192, 39025, 39248, 43400, 44600, 47740, 48391, 49060, 55304, 59675, 61325, 62440, 68200, 68684, 69130, 76043, 78050, 85855, 86800, 89200, 95480, 96782, 98120, 110608, 119350, 122650, 124880, 136400, 137368, 138260, 152086, 156100, 171710, 172825, 190960, 193564, 196240, 238700, 241955, 245300, 274736, 276520, 304172, 312200, 343420, 345650, 380215, 387128, 429275, 477400, 483910, 490600, 532301, 553040, 608344, 624400, 686840, 691300, 760430, 774256, 858550, 954800, 967820, 981200, 1064602, 1209775, 1216688, 1373680, 1382600, 1520860, 1717100, 1901075, 1935640, 2129204, 2419550, 2661505, 2765200, 3041720, 3434200, 3802150, 3871280, 4258408, 4839100, 5323010, 6083440, 6868400, 7604300, 8516816, 9678200, 10646020, 13307525, 15208600, 19356400, 21292040, 26615050, 30417200, 42584080, 53230100, 106460200, 212920400]

約数ペア:

[(1, 212920400), (2, 106460200), (4, 53230100), (5, 42584080), (7, 30417200), (8, 26615050), (10, 21292040), (11, 19356400), (14, 15208600), (16, 13307525), (20, 10646020), (22, 9678200), (25, 8516816), (28, 7604300), (31, 6868400), (35, 6083440), (40, 5323010), (44, 4839100), (50, 4258408), (55, 3871280), (56, 3802150), (62, 3434200), (70, 3041720), (77, 2765200), (80, 2661505), (88, 2419550), (100, 2129204), (110, 1935640), (112, 1901075), (124, 1717100), (140, 1520860), (154, 1382600), (155, 1373680), (175, 1216688), (176, 1209775), (200, 1064602), (217, 981200), (220, 967820), (223, 954800), (248, 858550), (275, 774256), (280, 760430), (308, 691300), (310, 686840), (341, 624400), (350, 608344), (385, 553040), (400, 532301), (434, 490600), (440, 483910), (446, 477400), (496, 429275), (550, 387128), (560, 380215), (616, 345650), (620, 343420), (682, 312200), (700, 304172), (770, 276520), (775, 274736), (868, 245300), (880, 241955), (892, 238700), (1085, 196240), (1100, 193564), (1115, 190960), (1232, 172825), (1240, 171710), (1364, 156100), (1400, 152086), (1540, 138260), (1550, 137368), (1561, 136400), (1705, 124880), (1736, 122650), (1784, 119350), (1925, 110608), (2170, 98120), (2200, 96782), (2230, 95480), (2387, 89200), (2453, 86800), (2480, 85855), (2728, 78050), (2800, 76043), (3080, 69130), (3100, 68684), (3122, 68200), (3410, 62440), (3472, 61325), (3568, 59675), (3850, 55304), (4340, 49060), (4400, 48391), (4460, 47740), (4774, 44600), (4906, 43400), (5425, 39248), (5456, 39025), (5575, 38192), (6160, 34565), (6200, 34342), (6244, 34100), (6820, 31220), (6913, 30800), (7700, 27652), (7805, 27280), (8525, 24976), (8680, 24530), (8920, 23870), (9548, 22300), (9812, 21700), (10850, 19624), (11150, 19096), (11935, 17840), (12265, 17360), (12400, 17171), (12488, 17050), (13640, 15610), (13826, 15400)]