8344140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19867}}^1$

素因数の和:19886

約数の個数: 48

約数和(自身を含む): 26702592

約数和(自身を除く): 18358452

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, 19867, 39734, 59601, 79468, 99335, 119202, 139069, 198670, 238404, 278138, 298005, 397340, 417207, 556276, 596010, 695345, 834414, 1192020, 1390690, 1668828, 2086035, 2781380, 4172070, 8344140]

約数ペア:

[(1, 8344140), (2, 4172070), (3, 2781380), (4, 2086035), (5, 1668828), (6, 1390690), (7, 1192020), (10, 834414), (12, 695345), (14, 596010), (15, 556276), (20, 417207), (21, 397340), (28, 298005), (30, 278138), (35, 238404), (42, 198670), (60, 139069), (70, 119202), (84, 99335), (105, 79468), (140, 59601), (210, 39734), (420, 19867)]