209898990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5647}}^1$

素因数の和:5726

約数の個数: 96

約数和(自身を含む): 634383360

約数和(自身を除く): 424484370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 59, 63, 70, 90, 105, 118, 126, 177, 210, 295, 315, 354, 413, 531, 590, 630, 826, 885, 1062, 1239, 1770, 2065, 2478, 2655, 3717, 4130, 5310, 5647, 6195, 7434, 11294, 12390, 16941, 18585, 28235, 33882, 37170, 39529, 50823, 56470, 79058, 84705, 101646, 118587, 169410, 197645, 237174, 254115, 333173, 355761, 395290, 508230, 592935, 666346, 711522, 999519, 1185870, 1665865, 1778805, 1999038, 2332211, 2998557, 3331730, 3557610, 4664422, 4997595, 5997114, 6996633, 9995190, 11661055, 13993266, 14992785, 20989899, 23322110, 29985570, 34983165, 41979798, 69966330, 104949495, 209898990]

約数ペア:

[(1, 209898990), (2, 104949495), (3, 69966330), (5, 41979798), (6, 34983165), (7, 29985570), (9, 23322110), (10, 20989899), (14, 14992785), (15, 13993266), (18, 11661055), (21, 9995190), (30, 6996633), (35, 5997114), (42, 4997595), (45, 4664422), (59, 3557610), (63, 3331730), (70, 2998557), (90, 2332211), (105, 1999038), (118, 1778805), (126, 1665865), (177, 1185870), (210, 999519), (295, 711522), (315, 666346), (354, 592935), (413, 508230), (531, 395290), (590, 355761), (630, 333173), (826, 254115), (885, 237174), (1062, 197645), (1239, 169410), (1770, 118587), (2065, 101646), (2478, 84705), (2655, 79058), (3717, 56470), (4130, 50823), (5310, 39529), (5647, 37170), (6195, 33882), (7434, 28235), (11294, 18585), (12390, 16941)]