420142428

素因数分解:

$2^2\times 3^2\times {\mathrm{2647}}^1\times {\mathrm{4409}}^1$

素因数の和:7066

約数の個数: 36

約数和(自身を含む): 1062668880

約数和(自身を除く): 642526452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2647, 4409, 5294, 7941, 8818, 10588, 13227, 15882, 17636, 23823, 26454, 31764, 39681, 47646, 52908, 79362, 95292, 158724, 11670623, 23341246, 35011869, 46682492, 70023738, 105035607, 140047476, 210071214, 420142428]

約数ペア:

[(1, 420142428), (2, 210071214), (3, 140047476), (4, 105035607), (6, 70023738), (9, 46682492), (12, 35011869), (18, 23341246), (36, 11670623), (2647, 158724), (4409, 95292), (5294, 79362), (7941, 52908), (8818, 47646), (10588, 39681), (13227, 31764), (15882, 26454), (17636, 23823)]