218075340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{519227}}^1$

素因数の和:519246

約数の個数: 48

約数和(自身を含む): 697842432

約数和(自身を除く): 479767092

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, 519227, 1038454, 1557681, 2076908, 2596135, 3115362, 3634589, 5192270, 6230724, 7269178, 7788405, 10384540, 10903767, 14538356, 15576810, 18172945, 21807534, 31153620, 36345890, 43615068, 54518835, 72691780, 109037670, 218075340]

約数ペア:

[(1, 218075340), (2, 109037670), (3, 72691780), (4, 54518835), (5, 43615068), (6, 36345890), (7, 31153620), (10, 21807534), (12, 18172945), (14, 15576810), (15, 14538356), (20, 10903767), (21, 10384540), (28, 7788405), (30, 7269178), (35, 6230724), (42, 5192270), (60, 3634589), (70, 3115362), (84, 2596135), (105, 2076908), (140, 1557681), (210, 1038454), (420, 519227)]