291260690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218993}}^1$

素因数の和:219026

約数の個数: 32

約数和(自身を含む): 630702720

約数和(自身を除く): 339442030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 218993, 437986, 1094965, 1532951, 2189930, 3065902, 4160867, 7664755, 8321734, 15329510, 20804335, 29126069, 41608670, 58252138, 145630345, 291260690]

約数ペア:

[(1, 291260690), (2, 145630345), (5, 58252138), (7, 41608670), (10, 29126069), (14, 20804335), (19, 15329510), (35, 8321734), (38, 7664755), (70, 4160867), (95, 3065902), (133, 2189930), (190, 1532951), (266, 1094965), (665, 437986), (1330, 218993)]