219954925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27239}}^1$

素因数の和:27285

約数の個数: 24

約数和(自身を含む): 303998400

約数和(自身を除く): 84043475

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 27239, 136195, 463063, 517541, 680975, 2315315, 2587705, 8798197, 11576575, 12938525, 43990985, 219954925]

約数ペア:

[(1, 219954925), (5, 43990985), (17, 12938525), (19, 11576575), (25, 8798197), (85, 2587705), (95, 2315315), (323, 680975), (425, 517541), (475, 463063), (1615, 136195), (8075, 27239)]