830888920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{284551}}^1$

素因数の和:284635

約数の個数: 32

約数和(自身を含む): 1895116320

約数和(自身を除く): 1064227400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 284551, 569102, 1138204, 1422755, 2276408, 2845510, 5691020, 11382040, 20772223, 41544446, 83088892, 103861115, 166177784, 207722230, 415444460, 830888920]

約数ペア:

[(1, 830888920), (2, 415444460), (4, 207722230), (5, 166177784), (8, 103861115), (10, 83088892), (20, 41544446), (40, 20772223), (73, 11382040), (146, 5691020), (292, 2845510), (365, 2276408), (584, 1422755), (730, 1138204), (1460, 569102), (2920, 284551)]