219289820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1721}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 482545728

約数和(自身を除く): 263255908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 554, 1108, 1385, 1721, 2770, 3442, 5540, 6371, 6884, 8605, 12742, 17210, 25484, 31855, 34420, 39583, 63710, 79166, 127420, 158332, 197915, 395830, 476717, 791660, 953434, 1906868, 2383585, 4767170, 9534340, 10964491, 21928982, 43857964, 54822455, 109644910, 219289820]

約数ペア:

[(1, 219289820), (2, 109644910), (4, 54822455), (5, 43857964), (10, 21928982), (20, 10964491), (23, 9534340), (46, 4767170), (92, 2383585), (115, 1906868), (230, 953434), (277, 791660), (460, 476717), (554, 395830), (1108, 197915), (1385, 158332), (1721, 127420), (2770, 79166), (3442, 63710), (5540, 39583), (6371, 34420), (6884, 31855), (8605, 25484), (12742, 17210)]