4443890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 8864640

約数和(自身を除く): 4420750

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 569, 710, 781, 1138, 1562, 2845, 3905, 5690, 6259, 7810, 12518, 31295, 40399, 62590, 80798, 201995, 403990, 444389, 888778, 2221945, 4443890]

約数ペア:

[(1, 4443890), (2, 2221945), (5, 888778), (10, 444389), (11, 403990), (22, 201995), (55, 80798), (71, 62590), (110, 40399), (142, 31295), (355, 12518), (569, 7810), (710, 6259), (781, 5690), (1138, 3905), (1562, 2845)]