4057270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 8424000

約数和(自身を除く): 4366730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 389, 745, 778, 1043, 1490, 1945, 2086, 2723, 3890, 5215, 5446, 10430, 13615, 27230, 57961, 115922, 289805, 405727, 579610, 811454, 2028635, 4057270]

約数ペア:

[(1, 4057270), (2, 2028635), (5, 811454), (7, 579610), (10, 405727), (14, 289805), (35, 115922), (70, 57961), (149, 27230), (298, 13615), (389, 10430), (745, 5446), (778, 5215), (1043, 3890), (1490, 2723), (1945, 2086)]