557340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1327}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 1784832

約数和(自身を除く): 1227492

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, 1327, 2654, 3981, 5308, 6635, 7962, 9289, 13270, 15924, 18578, 19905, 26540, 27867, 37156, 39810, 46445, 55734, 79620, 92890, 111468, 139335, 185780, 278670, 557340]

約数ペア:

[(1, 557340), (2, 278670), (3, 185780), (4, 139335), (5, 111468), (6, 92890), (7, 79620), (10, 55734), (12, 46445), (14, 39810), (15, 37156), (20, 27867), (21, 26540), (28, 19905), (30, 18578), (35, 15924), (42, 13270), (60, 9289), (70, 7962), (84, 6635), (105, 5308), (140, 3981), (210, 2654), (420, 1327)]