215520820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{147617}}^1$

素因数の和:147699

約数の個数: 24

約数和(自身を含む): 458796744

約数和(自身を除く): 243275924

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 147617, 295234, 590468, 738085, 1476170, 2952340, 10776041, 21552082, 43104164, 53880205, 107760410, 215520820]

約数ペア:

[(1, 215520820), (2, 107760410), (4, 53880205), (5, 43104164), (10, 21552082), (20, 10776041), (73, 2952340), (146, 1476170), (292, 738085), (365, 590468), (730, 295234), (1460, 147617)]