219923180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{268199}}^1$

素因数の和:268249

約数の個数: 24

約数和(自身を含む): 473104800

約数和(自身を除く): 253181620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 268199, 536398, 1072796, 1340995, 2681990, 5363980, 10996159, 21992318, 43984636, 54980795, 109961590, 219923180]

約数ペア:

[(1, 219923180), (2, 109961590), (4, 54980795), (5, 43984636), (10, 21992318), (20, 10996159), (41, 5363980), (82, 2681990), (164, 1340995), (205, 1072796), (410, 536398), (820, 268199)]