205335810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{253501}}^1$

素因数の和:253520

約数の個数: 40

約数和(自身を含む): 552127356

約数和(自身を除く): 346791546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 253501, 507002, 760503, 1267505, 1521006, 2281509, 2535010, 3802515, 4563018, 6844527, 7605030, 11407545, 13689054, 20533581, 22815090, 34222635, 41067162, 68445270, 102667905, 205335810]

約数ペア:

[(1, 205335810), (2, 102667905), (3, 68445270), (5, 41067162), (6, 34222635), (9, 22815090), (10, 20533581), (15, 13689054), (18, 11407545), (27, 7605030), (30, 6844527), (45, 4563018), (54, 3802515), (81, 2535010), (90, 2281509), (135, 1521006), (162, 1267505), (270, 760503), (405, 507002), (810, 253501)]