200952780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478459}}^1$

素因数の和:478478

約数の個数: 48

約数和(自身を含む): 643050240

約数和(自身を除く): 442097460

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, 478459, 956918, 1435377, 1913836, 2392295, 2870754, 3349213, 4784590, 5741508, 6698426, 7176885, 9569180, 10047639, 13396852, 14353770, 16746065, 20095278, 28707540, 33492130, 40190556, 50238195, 66984260, 100476390, 200952780]

約数ペア:

[(1, 200952780), (2, 100476390), (3, 66984260), (4, 50238195), (5, 40190556), (6, 33492130), (7, 28707540), (10, 20095278), (12, 16746065), (14, 14353770), (15, 13396852), (20, 10047639), (21, 9569180), (28, 7176885), (30, 6698426), (35, 5741508), (42, 4784590), (60, 3349213), (70, 2870754), (84, 2392295), (105, 1913836), (140, 1435377), (210, 956918), (420, 478459)]