636686890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 1446336000

約数和(自身を除く): 809649110

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 61, 70, 85, 98, 119, 122, 170, 179, 238, 245, 305, 343, 358, 427, 490, 595, 610, 686, 833, 854, 895, 1037, 1190, 1253, 1666, 1715, 1790, 2074, 2135, 2506, 2989, 3043, 3430, 4165, 4270, 5185, 5831, 5978, 6086, 6265, 7259, 8330, 8771, 10370, 10919, 11662, 12530, 14518, 14945, 15215, 17542, 20923, 21301, 21838, 29155, 29890, 30430, 36295, 41846, 42602, 43855, 50813, 54595, 58310, 61397, 72590, 76433, 87710, 101626, 104615, 106505, 109190, 122794, 149107, 152866, 185623, 209230, 213010, 254065, 298214, 306985, 355691, 371246, 382165, 508130, 535031, 613970, 711382, 745535, 764330, 928115, 1043749, 1070062, 1299361, 1491070, 1778455, 1856230, 2087498, 2598722, 2675155, 3556910, 3745217, 5218745, 5350310, 6496805, 7490434, 9095527, 10437490, 12993610, 18191054, 18726085, 37452170, 45477635, 63668689, 90955270, 127337378, 318343445, 636686890]

約数ペア:

[(1, 636686890), (2, 318343445), (5, 127337378), (7, 90955270), (10, 63668689), (14, 45477635), (17, 37452170), (34, 18726085), (35, 18191054), (49, 12993610), (61, 10437490), (70, 9095527), (85, 7490434), (98, 6496805), (119, 5350310), (122, 5218745), (170, 3745217), (179, 3556910), (238, 2675155), (245, 2598722), (305, 2087498), (343, 1856230), (358, 1778455), (427, 1491070), (490, 1299361), (595, 1070062), (610, 1043749), (686, 928115), (833, 764330), (854, 745535), (895, 711382), (1037, 613970), (1190, 535031), (1253, 508130), (1666, 382165), (1715, 371246), (1790, 355691), (2074, 306985), (2135, 298214), (2506, 254065), (2989, 213010), (3043, 209230), (3430, 185623), (4165, 152866), (4270, 149107), (5185, 122794), (5831, 109190), (5978, 106505), (6086, 104615), (6265, 101626), (7259, 87710), (8330, 76433), (8771, 72590), (10370, 61397), (10919, 58310), (11662, 54595), (12530, 50813), (14518, 43855), (14945, 42602), (15215, 41846), (17542, 36295), (20923, 30430), (21301, 29890), (21838, 29155)]