2856559940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{578251}}^1$

素因数の和:578292

約数の個数: 48

約数和(自身を含む): 6800243520

約数和(自身を除く): 3943683580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 578251, 1156502, 2313004, 2891255, 5782510, 7517263, 10986769, 11565020, 15034526, 21973538, 30069052, 37586315, 43947076, 54933845, 75172630, 109867690, 142827997, 150345260, 219735380, 285655994, 571311988, 714139985, 1428279970, 2856559940]

約数ペア:

[(1, 2856559940), (2, 1428279970), (4, 714139985), (5, 571311988), (10, 285655994), (13, 219735380), (19, 150345260), (20, 142827997), (26, 109867690), (38, 75172630), (52, 54933845), (65, 43947076), (76, 37586315), (95, 30069052), (130, 21973538), (190, 15034526), (247, 11565020), (260, 10986769), (380, 7517263), (494, 5782510), (988, 2891255), (1235, 2313004), (2470, 1156502), (4940, 578251)]