1217852020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 3333851136

約数和(自身を除く): 2115999116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 53, 55, 70, 77, 86, 106, 110, 140, 154, 172, 212, 215, 220, 265, 301, 308, 347, 371, 385, 430, 473, 530, 583, 602, 694, 742, 770, 860, 946, 1060, 1166, 1204, 1388, 1484, 1505, 1540, 1735, 1855, 1892, 2279, 2332, 2365, 2429, 2915, 3010, 3311, 3470, 3710, 3817, 4081, 4558, 4730, 4858, 5830, 6020, 6622, 6940, 7420, 7634, 8162, 9116, 9460, 9716, 11395, 11660, 12145, 13244, 14921, 15268, 15953, 16324, 16555, 18391, 19085, 20405, 22790, 24290, 25069, 26719, 29842, 31906, 33110, 36782, 38170, 40810, 45580, 48580, 50138, 53438, 59684, 63812, 66220, 73564, 74605, 76340, 79765, 81620, 91955, 100276, 104447, 106876, 125345, 128737, 133595, 149210, 159530, 164131, 175483, 183910, 202301, 208894, 250690, 257474, 267190, 298420, 319060, 328262, 350966, 367820, 404602, 417788, 501380, 514948, 522235, 534380, 643685, 656524, 701932, 790813, 809204, 820655, 877415, 1011505, 1044470, 1148917, 1287370, 1416107, 1581626, 1641310, 1754830, 2023010, 2088940, 2297834, 2574740, 2832214, 3163252, 3282620, 3509660, 3954065, 4046020, 4595668, 5535691, 5664428, 5744585, 7080535, 7908130, 8698943, 11071382, 11489170, 14161070, 15816260, 17397886, 22142764, 22978340, 27678455, 28322140, 34795772, 43494715, 55356910, 60892601, 86989430, 110713820, 121785202, 173978860, 243570404, 304463005, 608926010, 1217852020]

約数ペア:

[(1, 1217852020), (2, 608926010), (4, 304463005), (5, 243570404), (7, 173978860), (10, 121785202), (11, 110713820), (14, 86989430), (20, 60892601), (22, 55356910), (28, 43494715), (35, 34795772), (43, 28322140), (44, 27678455), (53, 22978340), (55, 22142764), (70, 17397886), (77, 15816260), (86, 14161070), (106, 11489170), (110, 11071382), (140, 8698943), (154, 7908130), (172, 7080535), (212, 5744585), (215, 5664428), (220, 5535691), (265, 4595668), (301, 4046020), (308, 3954065), (347, 3509660), (371, 3282620), (385, 3163252), (430, 2832214), (473, 2574740), (530, 2297834), (583, 2088940), (602, 2023010), (694, 1754830), (742, 1641310), (770, 1581626), (860, 1416107), (946, 1287370), (1060, 1148917), (1166, 1044470), (1204, 1011505), (1388, 877415), (1484, 820655), (1505, 809204), (1540, 790813), (1735, 701932), (1855, 656524), (1892, 643685), (2279, 534380), (2332, 522235), (2365, 514948), (2429, 501380), (2915, 417788), (3010, 404602), (3311, 367820), (3470, 350966), (3710, 328262), (3817, 319060), (4081, 298420), (4558, 267190), (4730, 257474), (4858, 250690), (5830, 208894), (6020, 202301), (6622, 183910), (6940, 175483), (7420, 164131), (7634, 159530), (8162, 149210), (9116, 133595), (9460, 128737), (9716, 125345), (11395, 106876), (11660, 104447), (12145, 100276), (13244, 91955), (14921, 81620), (15268, 79765), (15953, 76340), (16324, 74605), (16555, 73564), (18391, 66220), (19085, 63812), (20405, 59684), (22790, 53438), (24290, 50138), (25069, 48580), (26719, 45580), (29842, 40810), (31906, 38170), (33110, 36782)]