209711460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9421}}^1$

素因数の和:9493

約数の個数: 96

約数和(自身を含む): 683811072

約数和(自身を除く): 474099612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3710, 4452, 5565, 7420, 9421, 11130, 18842, 22260, 28263, 37684, 47105, 56526, 65947, 94210, 113052, 131894, 141315, 188420, 197841, 263788, 282630, 329735, 395682, 499313, 565260, 659470, 791364, 989205, 998626, 1318940, 1497939, 1978410, 1997252, 2496565, 2995878, 3495191, 3956820, 4993130, 5991756, 6990382, 7489695, 9986260, 10485573, 13980764, 14979390, 17475955, 20971146, 29958780, 34951910, 41942292, 52427865, 69903820, 104855730, 209711460]

約数ペア:

[(1, 209711460), (2, 104855730), (3, 69903820), (4, 52427865), (5, 41942292), (6, 34951910), (7, 29958780), (10, 20971146), (12, 17475955), (14, 14979390), (15, 13980764), (20, 10485573), (21, 9986260), (28, 7489695), (30, 6990382), (35, 5991756), (42, 4993130), (53, 3956820), (60, 3495191), (70, 2995878), (84, 2496565), (105, 1997252), (106, 1978410), (140, 1497939), (159, 1318940), (210, 998626), (212, 989205), (265, 791364), (318, 659470), (371, 565260), (420, 499313), (530, 395682), (636, 329735), (742, 282630), (795, 263788), (1060, 197841), (1113, 188420), (1484, 141315), (1590, 131894), (1855, 113052), (2226, 94210), (3180, 65947), (3710, 56526), (4452, 47105), (5565, 37684), (7420, 28263), (9421, 22260), (11130, 18842)]