2490520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 6156000

約数和(自身を除く): 3665480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 113, 116, 145, 152, 190, 226, 232, 290, 380, 452, 551, 565, 580, 760, 904, 1102, 1130, 1160, 2147, 2204, 2260, 2755, 3277, 4294, 4408, 4520, 5510, 6554, 8588, 10735, 11020, 13108, 16385, 17176, 21470, 22040, 26216, 32770, 42940, 62263, 65540, 85880, 124526, 131080, 249052, 311315, 498104, 622630, 1245260, 2490520]

約数ペア:

[(1, 2490520), (2, 1245260), (4, 622630), (5, 498104), (8, 311315), (10, 249052), (19, 131080), (20, 124526), (29, 85880), (38, 65540), (40, 62263), (58, 42940), (76, 32770), (95, 26216), (113, 22040), (116, 21470), (145, 17176), (152, 16385), (190, 13108), (226, 11020), (232, 10735), (290, 8588), (380, 6554), (452, 5510), (551, 4520), (565, 4408), (580, 4294), (760, 3277), (904, 2755), (1102, 2260), (1130, 2204), (1160, 2147)]