217171430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 514740096

約数和(自身を除く): 297568666

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 31, 34, 35, 49, 58, 62, 70, 85, 98, 119, 145, 155, 170, 203, 217, 238, 245, 290, 310, 406, 434, 490, 493, 527, 595, 833, 841, 899, 986, 1015, 1054, 1085, 1190, 1421, 1519, 1666, 1682, 1798, 2030, 2170, 2465, 2635, 2842, 3038, 3451, 3689, 4165, 4205, 4495, 4930, 5270, 5887, 6293, 6902, 7105, 7378, 7595, 8330, 8410, 8990, 11774, 12586, 14210, 14297, 15190, 15283, 17255, 18445, 24157, 25823, 26071, 28594, 29435, 30566, 31465, 34510, 36890, 41209, 44051, 48314, 51646, 52142, 58870, 62930, 71485, 76415, 82418, 88102, 100079, 106981, 120785, 129115, 130355, 142970, 152830, 182497, 200158, 206045, 213962, 220255, 241570, 258230, 260710, 364994, 412090, 440510, 443207, 500395, 534905, 700553, 748867, 886414, 912485, 1000790, 1069810, 1277479, 1401106, 1497734, 1824970, 2216035, 2554958, 3102449, 3502765, 3744335, 4432070, 6204898, 6387395, 7005530, 7488670, 12774790, 15512245, 21717143, 31024490, 43434286, 108585715, 217171430]

約数ペア:

[(1, 217171430), (2, 108585715), (5, 43434286), (7, 31024490), (10, 21717143), (14, 15512245), (17, 12774790), (29, 7488670), (31, 7005530), (34, 6387395), (35, 6204898), (49, 4432070), (58, 3744335), (62, 3502765), (70, 3102449), (85, 2554958), (98, 2216035), (119, 1824970), (145, 1497734), (155, 1401106), (170, 1277479), (203, 1069810), (217, 1000790), (238, 912485), (245, 886414), (290, 748867), (310, 700553), (406, 534905), (434, 500395), (490, 443207), (493, 440510), (527, 412090), (595, 364994), (833, 260710), (841, 258230), (899, 241570), (986, 220255), (1015, 213962), (1054, 206045), (1085, 200158), (1190, 182497), (1421, 152830), (1519, 142970), (1666, 130355), (1682, 129115), (1798, 120785), (2030, 106981), (2170, 100079), (2465, 88102), (2635, 82418), (2842, 76415), (3038, 71485), (3451, 62930), (3689, 58870), (4165, 52142), (4205, 51646), (4495, 48314), (4930, 44051), (5270, 41209), (5887, 36890), (6293, 34510), (6902, 31465), (7105, 30566), (7378, 29435), (7595, 28594), (8330, 26071), (8410, 25823), (8990, 24157), (11774, 18445), (12586, 17255), (14210, 15283), (14297, 15190)]