171927420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409351}}^1$

素因数の和:409370

約数の個数: 48

約数和(自身を含む): 550169088

約数和(自身を除く): 378241668

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, 409351, 818702, 1228053, 1637404, 2046755, 2456106, 2865457, 4093510, 4912212, 5730914, 6140265, 8187020, 8596371, 11461828, 12280530, 14327285, 17192742, 24561060, 28654570, 34385484, 42981855, 57309140, 85963710, 171927420]

約数ペア:

[(1, 171927420), (2, 85963710), (3, 57309140), (4, 42981855), (5, 34385484), (6, 28654570), (7, 24561060), (10, 17192742), (12, 14327285), (14, 12280530), (15, 11461828), (20, 8596371), (21, 8187020), (28, 6140265), (30, 5730914), (35, 4912212), (42, 4093510), (60, 2865457), (70, 2456106), (84, 2046755), (105, 1637404), (140, 1228053), (210, 818702), (420, 409351)]