404961980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{243953}}^1$

素因数の和:244045

約数の個数: 24

約数和(自身を含む): 860669712

約数和(自身を除く): 455707732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 243953, 487906, 975812, 1219765, 2439530, 4879060, 20248099, 40496198, 80992396, 101240495, 202480990, 404961980]

約数ペア:

[(1, 404961980), (2, 202480990), (4, 101240495), (5, 80992396), (10, 40496198), (20, 20248099), (83, 4879060), (166, 2439530), (332, 1219765), (415, 975812), (830, 487906), (1660, 243953)]