7774040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 18856800

約数和(自身を除く): 11082760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 193, 212, 265, 380, 386, 424, 530, 760, 772, 965, 1007, 1060, 1544, 1930, 2014, 2120, 3667, 3860, 4028, 5035, 7334, 7720, 8056, 10070, 10229, 14668, 18335, 20140, 20458, 29336, 36670, 40280, 40916, 51145, 73340, 81832, 102290, 146680, 194351, 204580, 388702, 409160, 777404, 971755, 1554808, 1943510, 3887020, 7774040]

約数ペア:

[(1, 7774040), (2, 3887020), (4, 1943510), (5, 1554808), (8, 971755), (10, 777404), (19, 409160), (20, 388702), (38, 204580), (40, 194351), (53, 146680), (76, 102290), (95, 81832), (106, 73340), (152, 51145), (190, 40916), (193, 40280), (212, 36670), (265, 29336), (380, 20458), (386, 20140), (424, 18335), (530, 14668), (760, 10229), (772, 10070), (965, 8056), (1007, 7720), (1060, 7334), (1544, 5035), (1930, 4028), (2014, 3860), (2120, 3667)]