40450990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 81259200

約数和(自身を除く): 40808210

約数列:

[1, 2, 5, 10, 17, 34, 37, 59, 74, 85, 109, 118, 170, 185, 218, 295, 370, 545, 590, 629, 1003, 1090, 1258, 1853, 2006, 2183, 3145, 3706, 4033, 4366, 5015, 6290, 6431, 8066, 9265, 10030, 10915, 12862, 18530, 20165, 21830, 32155, 37111, 40330, 64310, 68561, 74222, 109327, 137122, 185555, 218654, 237947, 342805, 371110, 475894, 546635, 685610, 1093270, 1189735, 2379470, 4045099, 8090198, 20225495, 40450990]

約数ペア:

[(1, 40450990), (2, 20225495), (5, 8090198), (10, 4045099), (17, 2379470), (34, 1189735), (37, 1093270), (59, 685610), (74, 546635), (85, 475894), (109, 371110), (118, 342805), (170, 237947), (185, 218654), (218, 185555), (295, 137122), (370, 109327), (545, 74222), (590, 68561), (629, 64310), (1003, 40330), (1090, 37111), (1258, 32155), (1853, 21830), (2006, 20165), (2183, 18530), (3145, 12862), (3706, 10915), (4033, 10030), (4366, 9265), (5015, 8066), (6290, 6431)]