201321650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 398545920

約数和(自身を除く): 197224270

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 239, 425, 478, 850, 991, 1195, 1982, 2390, 4063, 4955, 5975, 8126, 9910, 11950, 16847, 20315, 24775, 33694, 40630, 49550, 84235, 101575, 168470, 203150, 236849, 421175, 473698, 842350, 1184245, 2368490, 4026433, 5921225, 8052866, 11842450, 20132165, 40264330, 100660825, 201321650]

約数ペア:

[(1, 201321650), (2, 100660825), (5, 40264330), (10, 20132165), (17, 11842450), (25, 8052866), (34, 5921225), (50, 4026433), (85, 2368490), (170, 1184245), (239, 842350), (425, 473698), (478, 421175), (850, 236849), (991, 203150), (1195, 168470), (1982, 101575), (2390, 84235), (4063, 49550), (4955, 40630), (5975, 33694), (8126, 24775), (9910, 20315), (11950, 16847)]