214351640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{315223}}^1$

素因数の和:315251

約数の個数: 32

約数和(自身を含む): 510662880

約数和(自身を除く): 296311240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 315223, 630446, 1260892, 1576115, 2521784, 3152230, 5358791, 6304460, 10717582, 12608920, 21435164, 26793955, 42870328, 53587910, 107175820, 214351640]

約数ペア:

[(1, 214351640), (2, 107175820), (4, 53587910), (5, 42870328), (8, 26793955), (10, 21435164), (17, 12608920), (20, 10717582), (34, 6304460), (40, 5358791), (68, 3152230), (85, 2521784), (136, 1576115), (170, 1260892), (340, 630446), (680, 315223)]