89704980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{498361}}^1$

素因数の和:498376

約数の個数: 36

約数和(自身を含む): 272105652

約数和(自身を除く): 182400672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 498361, 996722, 1495083, 1993444, 2491805, 2990166, 4485249, 4983610, 5980332, 7475415, 8970498, 9967220, 14950830, 17940996, 22426245, 29901660, 44852490, 89704980]

約数ペア:

[(1, 89704980), (2, 44852490), (3, 29901660), (4, 22426245), (5, 17940996), (6, 14950830), (9, 9967220), (10, 8970498), (12, 7475415), (15, 5980332), (18, 4983610), (20, 4485249), (30, 2990166), (36, 2491805), (45, 1993444), (60, 1495083), (90, 996722), (180, 498361)]