381156880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{366497}}^1$

素因数の和:366523

約数の個数: 40

約数和(自身を含む): 954360792

約数和(自身を除く): 573203912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 366497, 732994, 1465988, 1832485, 2931976, 3664970, 4764461, 5863952, 7329940, 9528922, 14659880, 19057844, 23822305, 29319760, 38115688, 47644610, 76231376, 95289220, 190578440, 381156880]

約数ペア:

[(1, 381156880), (2, 190578440), (4, 95289220), (5, 76231376), (8, 47644610), (10, 38115688), (13, 29319760), (16, 23822305), (20, 19057844), (26, 14659880), (40, 9528922), (52, 7329940), (65, 5863952), (80, 4764461), (104, 3664970), (130, 2931976), (208, 1832485), (260, 1465988), (520, 732994), (1040, 366497)]