28910070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 86898240

約数和(自身を除く): 57988170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 109, 126, 210, 218, 315, 327, 421, 545, 630, 654, 763, 842, 981, 1090, 1263, 1526, 1635, 1962, 2105, 2289, 2526, 2947, 3270, 3789, 3815, 4210, 4578, 4905, 5894, 6315, 6867, 7578, 7630, 8841, 9810, 11445, 12630, 13734, 14735, 17682, 18945, 22890, 26523, 29470, 34335, 37890, 44205, 45889, 53046, 68670, 88410, 91778, 132615, 137667, 229445, 265230, 275334, 321223, 413001, 458890, 642446, 688335, 826002, 963669, 1376670, 1606115, 1927338, 2065005, 2891007, 3212230, 4130010, 4818345, 5782014, 9636690, 14455035, 28910070]

約数ペア:

[(1, 28910070), (2, 14455035), (3, 9636690), (5, 5782014), (6, 4818345), (7, 4130010), (9, 3212230), (10, 2891007), (14, 2065005), (15, 1927338), (18, 1606115), (21, 1376670), (30, 963669), (35, 826002), (42, 688335), (45, 642446), (63, 458890), (70, 413001), (90, 321223), (105, 275334), (109, 265230), (126, 229445), (210, 137667), (218, 132615), (315, 91778), (327, 88410), (421, 68670), (545, 53046), (630, 45889), (654, 44205), (763, 37890), (842, 34335), (981, 29470), (1090, 26523), (1263, 22890), (1526, 18945), (1635, 17682), (1962, 14735), (2105, 13734), (2289, 12630), (2526, 11445), (2947, 9810), (3270, 8841), (3789, 7630), (3815, 7578), (4210, 6867), (4578, 6315), (4905, 5894)]