2477780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{541}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 5235720

約数和(自身を除く): 2757940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 541, 916, 1082, 1145, 2164, 2290, 2705, 4580, 5410, 10820, 123889, 247778, 495556, 619445, 1238890, 2477780]

約数ペア:

[(1, 2477780), (2, 1238890), (4, 619445), (5, 495556), (10, 247778), (20, 123889), (229, 10820), (458, 5410), (541, 4580), (916, 2705), (1082, 2290), (1145, 2164)]