489570340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 1286167680

約数和(自身を除く): 796597340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 67, 70, 76, 82, 95, 133, 134, 140, 164, 190, 205, 266, 268, 287, 335, 380, 410, 469, 532, 574, 665, 670, 779, 820, 938, 1148, 1273, 1330, 1340, 1435, 1558, 1876, 2345, 2546, 2660, 2747, 2870, 3116, 3895, 4489, 4690, 5092, 5453, 5494, 5740, 6365, 7790, 8911, 8978, 9380, 10906, 10988, 12730, 13735, 15580, 17822, 17956, 19229, 21812, 22445, 25460, 27265, 27470, 31423, 35644, 38458, 44555, 44890, 52193, 54530, 54940, 62846, 76916, 85291, 89110, 89780, 96145, 104386, 109060, 125692, 157115, 170582, 178220, 184049, 192290, 208772, 260965, 314230, 341164, 365351, 368098, 384580, 426455, 521930, 597037, 628460, 730702, 736196, 852910, 920245, 1043860, 1194074, 1288343, 1461404, 1705820, 1826755, 1840490, 2388148, 2576686, 2985185, 3496931, 3653510, 3680980, 5153372, 5970370, 6441715, 6993862, 7307020, 11940740, 12883430, 13987724, 17484655, 24478517, 25766860, 34969310, 48957034, 69938620, 97914068, 122392585, 244785170, 489570340]

約数ペア:

[(1, 489570340), (2, 244785170), (4, 122392585), (5, 97914068), (7, 69938620), (10, 48957034), (14, 34969310), (19, 25766860), (20, 24478517), (28, 17484655), (35, 13987724), (38, 12883430), (41, 11940740), (67, 7307020), (70, 6993862), (76, 6441715), (82, 5970370), (95, 5153372), (133, 3680980), (134, 3653510), (140, 3496931), (164, 2985185), (190, 2576686), (205, 2388148), (266, 1840490), (268, 1826755), (287, 1705820), (335, 1461404), (380, 1288343), (410, 1194074), (469, 1043860), (532, 920245), (574, 852910), (665, 736196), (670, 730702), (779, 628460), (820, 597037), (938, 521930), (1148, 426455), (1273, 384580), (1330, 368098), (1340, 365351), (1435, 341164), (1558, 314230), (1876, 260965), (2345, 208772), (2546, 192290), (2660, 184049), (2747, 178220), (2870, 170582), (3116, 157115), (3895, 125692), (4489, 109060), (4690, 104386), (5092, 96145), (5453, 89780), (5494, 89110), (5740, 85291), (6365, 76916), (7790, 62846), (8911, 54940), (8978, 54530), (9380, 52193), (10906, 44890), (10988, 44555), (12730, 38458), (13735, 35644), (15580, 31423), (17822, 27470), (17956, 27265), (19229, 25460), (21812, 22445)]