42412020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{100981}}^1$

素因数の和:101000

約数の個数: 48

約数和(自身を含む): 135719808

約数和(自身を除く): 93307788

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, 100981, 201962, 302943, 403924, 504905, 605886, 706867, 1009810, 1211772, 1413734, 1514715, 2019620, 2120601, 2827468, 3029430, 3534335, 4241202, 6058860, 7068670, 8482404, 10603005, 14137340, 21206010, 42412020]

約数ペア:

[(1, 42412020), (2, 21206010), (3, 14137340), (4, 10603005), (5, 8482404), (6, 7068670), (7, 6058860), (10, 4241202), (12, 3534335), (14, 3029430), (15, 2827468), (20, 2120601), (21, 2019620), (28, 1514715), (30, 1413734), (35, 1211772), (42, 1009810), (60, 706867), (70, 605886), (84, 504905), (105, 403924), (140, 302943), (210, 201962), (420, 100981)]