394848220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{116819}}^1$

素因数の和:116854

約数の個数: 36

約数和(自身を含む): 897878520

約数和(自身を除く): 503030300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 116819, 233638, 467276, 584095, 1168190, 1518647, 2336380, 3037294, 6074588, 7593235, 15186470, 19742411, 30372940, 39484822, 78969644, 98712055, 197424110, 394848220]

約数ペア:

[(1, 394848220), (2, 197424110), (4, 98712055), (5, 78969644), (10, 39484822), (13, 30372940), (20, 19742411), (26, 15186470), (52, 7593235), (65, 6074588), (130, 3037294), (169, 2336380), (260, 1518647), (338, 1168190), (676, 584095), (845, 467276), (1690, 233638), (3380, 116819)]