1898655780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4520609}}^1$

素因数の和:4520628

約数の個数: 48

約数和(自身を含む): 6075699840

約数和(自身を除く): 4177044060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4520609, 9041218, 13561827, 18082436, 22603045, 27123654, 31644263, 45206090, 54247308, 63288526, 67809135, 90412180, 94932789, 126577052, 135618270, 158221315, 189865578, 271236540, 316442630, 379731156, 474663945, 632885260, 949327890, 1898655780]

約数ペア:

[(1, 1898655780), (2, 949327890), (3, 632885260), (4, 474663945), (5, 379731156), (6, 316442630), (7, 271236540), (10, 189865578), (12, 158221315), (14, 135618270), (15, 126577052), (20, 94932789), (21, 90412180), (28, 67809135), (30, 63288526), (35, 54247308), (42, 45206090), (60, 31644263), (70, 27123654), (84, 22603045), (105, 18082436), (140, 13561827), (210, 9041218), (420, 4520609)]