640040148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{146933}}^1$

素因数の和:146965

約数の個数: 54

約数和(自身を含む): 1778342202

約数和(自身を除く): 1138302054

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 146933, 293866, 440799, 587732, 881598, 1322397, 1616263, 1763196, 2644794, 3232526, 4848789, 5289588, 6465052, 9697578, 14546367, 17778893, 19395156, 29092734, 35557786, 53336679, 58185468, 71115572, 106673358, 160010037, 213346716, 320020074, 640040148]

約数ペア:

[(1, 640040148), (2, 320020074), (3, 213346716), (4, 160010037), (6, 106673358), (9, 71115572), (11, 58185468), (12, 53336679), (18, 35557786), (22, 29092734), (33, 19395156), (36, 17778893), (44, 14546367), (66, 9697578), (99, 6465052), (121, 5289588), (132, 4848789), (198, 3232526), (242, 2644794), (363, 1763196), (396, 1616263), (484, 1322397), (726, 881598), (1089, 587732), (1452, 440799), (2178, 293866), (4356, 146933)]