487009840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^2\times {\mathrm{647}}^1$

素因数の和:854

約数の個数: 60

約数和(自身を含む): 1145859696

約数和(自身を除く): 658849856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 647, 776, 970, 1294, 1552, 1940, 2588, 3235, 3880, 5176, 6470, 7760, 9409, 10352, 12940, 18818, 25880, 37636, 47045, 51760, 62759, 75272, 94090, 125518, 150544, 188180, 251036, 313795, 376360, 502072, 627590, 752720, 1004144, 1255180, 2510360, 5020720, 6087623, 12175246, 24350492, 30438115, 48700984, 60876230, 97401968, 121752460, 243504920, 487009840]

約数ペア:

[(1, 487009840), (2, 243504920), (4, 121752460), (5, 97401968), (8, 60876230), (10, 48700984), (16, 30438115), (20, 24350492), (40, 12175246), (80, 6087623), (97, 5020720), (194, 2510360), (388, 1255180), (485, 1004144), (647, 752720), (776, 627590), (970, 502072), (1294, 376360), (1552, 313795), (1940, 251036), (2588, 188180), (3235, 150544), (3880, 125518), (5176, 94090), (6470, 75272), (7760, 62759), (9409, 51760), (10352, 47045), (12940, 37636), (18818, 25880)]