77451220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2693

約数の個数: 96

約数和(自身を含む): 213534720

約数和(自身を除く): 136083500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2647, 2660, 2926, 4180, 5294, 5852, 7315, 10588, 13235, 14630, 18529, 26470, 29117, 29260, 37058, 50293, 52940, 58234, 74116, 92645, 100586, 116468, 145585, 185290, 201172, 203819, 251465, 291170, 352051, 370580, 407638, 502930, 553223, 582340, 704102, 815276, 1005860, 1019095, 1106446, 1408204, 1760255, 2038190, 2212892, 2766115, 3520510, 3872561, 4076380, 5532230, 7041020, 7745122, 11064460, 15490244, 19362805, 38725610, 77451220]

約数ペア:

[(1, 77451220), (2, 38725610), (4, 19362805), (5, 15490244), (7, 11064460), (10, 7745122), (11, 7041020), (14, 5532230), (19, 4076380), (20, 3872561), (22, 3520510), (28, 2766115), (35, 2212892), (38, 2038190), (44, 1760255), (55, 1408204), (70, 1106446), (76, 1019095), (77, 1005860), (95, 815276), (110, 704102), (133, 582340), (140, 553223), (154, 502930), (190, 407638), (209, 370580), (220, 352051), (266, 291170), (308, 251465), (380, 203819), (385, 201172), (418, 185290), (532, 145585), (665, 116468), (770, 100586), (836, 92645), (1045, 74116), (1330, 58234), (1463, 52940), (1540, 50293), (2090, 37058), (2647, 29260), (2660, 29117), (2926, 26470), (4180, 18529), (5294, 14630), (5852, 13235), (7315, 10588)]