147907220

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{4447}}^1$

素因数の和:6119

約数の個数: 24

約数和(自身を含む): 310861824

約数和(自身を除く): 162954604

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 4447, 6652, 8315, 8894, 16630, 17788, 22235, 33260, 44470, 88940, 7395361, 14790722, 29581444, 36976805, 73953610, 147907220]

約数ペア:

[(1, 147907220), (2, 73953610), (4, 36976805), (5, 29581444), (10, 14790722), (20, 7395361), (1663, 88940), (3326, 44470), (4447, 33260), (6652, 22235), (8315, 17788), (8894, 16630)]