214757340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511327}}^1$

素因数の和:511346

約数の個数: 48

約数和(自身を含む): 687224832

約数和(自身を除く): 472467492

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, 511327, 1022654, 1533981, 2045308, 2556635, 3067962, 3579289, 5113270, 6135924, 7158578, 7669905, 10226540, 10737867, 14317156, 15339810, 17896445, 21475734, 30679620, 35792890, 42951468, 53689335, 71585780, 107378670, 214757340]

約数ペア:

[(1, 214757340), (2, 107378670), (3, 71585780), (4, 53689335), (5, 42951468), (6, 35792890), (7, 30679620), (10, 21475734), (12, 17896445), (14, 15339810), (15, 14317156), (20, 10737867), (21, 10226540), (28, 7669905), (30, 7158578), (35, 6135924), (42, 5113270), (60, 3579289), (70, 3067962), (84, 2556635), (105, 2045308), (140, 1533981), (210, 1022654), (420, 511327)]