89928020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49411}}^1$

素因数の和:49440

約数の個数: 48

約数和(自身を含む): 232434048

約数和(自身を除く): 142506028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49411, 98822, 197644, 247055, 345877, 494110, 642343, 691754, 988220, 1284686, 1383508, 1729385, 2569372, 3211715, 3458770, 4496401, 6423430, 6917540, 8992802, 12846860, 17985604, 22482005, 44964010, 89928020]

約数ペア:

[(1, 89928020), (2, 44964010), (4, 22482005), (5, 17985604), (7, 12846860), (10, 8992802), (13, 6917540), (14, 6423430), (20, 4496401), (26, 3458770), (28, 3211715), (35, 2569372), (52, 1729385), (65, 1383508), (70, 1284686), (91, 988220), (130, 691754), (140, 642343), (182, 494110), (260, 345877), (364, 247055), (455, 197644), (910, 98822), (1820, 49411)]