348527920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335123}}^1$

素因数の和:335149

約数の個数: 40

約数和(自身を含む): 872662896

約数和(自身を除く): 524134976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 335123, 670246, 1340492, 1675615, 2680984, 3351230, 4356599, 5361968, 6702460, 8713198, 13404920, 17426396, 21782995, 26809840, 34852792, 43565990, 69705584, 87131980, 174263960, 348527920]

約数ペア:

[(1, 348527920), (2, 174263960), (4, 87131980), (5, 69705584), (8, 43565990), (10, 34852792), (13, 26809840), (16, 21782995), (20, 17426396), (26, 13404920), (40, 8713198), (52, 6702460), (65, 5361968), (80, 4356599), (104, 3351230), (130, 2680984), (208, 1675615), (260, 1340492), (520, 670246), (1040, 335123)]