254328060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{605543}}^1$

素因数の和:605562

約数の個数: 48

約数和(自身を含む): 813851136

約数和(自身を除く): 559523076

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, 605543, 1211086, 1816629, 2422172, 3027715, 3633258, 4238801, 6055430, 7266516, 8477602, 9083145, 12110860, 12716403, 16955204, 18166290, 21194005, 25432806, 36332580, 42388010, 50865612, 63582015, 84776020, 127164030, 254328060]

約数ペア:

[(1, 254328060), (2, 127164030), (3, 84776020), (4, 63582015), (5, 50865612), (6, 42388010), (7, 36332580), (10, 25432806), (12, 21194005), (14, 18166290), (15, 16955204), (20, 12716403), (21, 12110860), (28, 9083145), (30, 8477602), (35, 7266516), (42, 6055430), (60, 4238801), (70, 3633258), (84, 3027715), (105, 2422172), (140, 1816629), (210, 1211086), (420, 605543)]