19649992280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{266549}}^1$

素因数の和:266676

約数の個数: 64

約数和(自身を含む): 47019420000

約数和(自身を除く): 27369427720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 3686, 3880, 7372, 9215, 14744, 18430, 36860, 73720, 266549, 533098, 1066196, 1332745, 2132392, 2665490, 5064431, 5330980, 10128862, 10661960, 20257724, 25322155, 25855253, 40515448, 50644310, 51710506, 101288620, 103421012, 129276265, 202577240, 206842024, 258552530, 491249807, 517105060, 982499614, 1034210120, 1964999228, 2456249035, 3929998456, 4912498070, 9824996140, 19649992280]

約数ペア:

[(1, 19649992280), (2, 9824996140), (4, 4912498070), (5, 3929998456), (8, 2456249035), (10, 1964999228), (19, 1034210120), (20, 982499614), (38, 517105060), (40, 491249807), (76, 258552530), (95, 206842024), (97, 202577240), (152, 129276265), (190, 103421012), (194, 101288620), (380, 51710506), (388, 50644310), (485, 40515448), (760, 25855253), (776, 25322155), (970, 20257724), (1843, 10661960), (1940, 10128862), (3686, 5330980), (3880, 5064431), (7372, 2665490), (9215, 2132392), (14744, 1332745), (18430, 1066196), (36860, 533098), (73720, 266549)]