2838352020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6757981}}^1$

素因数の和:6758000

約数の個数: 48

約数和(自身を含む): 9082727808

約数和(自身を除く): 6244375788

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, 6757981, 13515962, 20273943, 27031924, 33789905, 40547886, 47305867, 67579810, 81095772, 94611734, 101369715, 135159620, 141917601, 189223468, 202739430, 236529335, 283835202, 405478860, 473058670, 567670404, 709588005, 946117340, 1419176010, 2838352020]

約数ペア:

[(1, 2838352020), (2, 1419176010), (3, 946117340), (4, 709588005), (5, 567670404), (6, 473058670), (7, 405478860), (10, 283835202), (12, 236529335), (14, 202739430), (15, 189223468), (20, 141917601), (21, 135159620), (28, 101369715), (30, 94611734), (35, 81095772), (42, 67579810), (60, 47305867), (70, 40547886), (84, 33789905), (105, 27031924), (140, 20273943), (210, 13515962), (420, 6757981)]