211390830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{111847}}^1$

素因数の和:111870

約数の個数: 64

約数和(自身を含む): 644244480

約数和(自身を除く): 432853650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 111847, 223694, 335541, 559235, 671082, 782929, 1006623, 1118470, 1565858, 1677705, 2013246, 2348787, 3019869, 3355410, 3914645, 4697574, 5033115, 6039738, 7046361, 7829290, 10066230, 11743935, 14092722, 15099345, 21139083, 23487870, 30198690, 35231805, 42278166, 70463610, 105695415, 211390830]

約数ペア:

[(1, 211390830), (2, 105695415), (3, 70463610), (5, 42278166), (6, 35231805), (7, 30198690), (9, 23487870), (10, 21139083), (14, 15099345), (15, 14092722), (18, 11743935), (21, 10066230), (27, 7829290), (30, 7046361), (35, 6039738), (42, 5033115), (45, 4697574), (54, 3914645), (63, 3355410), (70, 3019869), (90, 2348787), (105, 2013246), (126, 1677705), (135, 1565858), (189, 1118470), (210, 1006623), (270, 782929), (315, 671082), (378, 559235), (630, 335541), (945, 223694), (1890, 111847)]