345122380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 750516480

約数和(自身を除く): 405394100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 620, 818, 1361, 1636, 2045, 2722, 4090, 5444, 6805, 8180, 12679, 13610, 25358, 27220, 42191, 50716, 63395, 84382, 126790, 168764, 210955, 253580, 421910, 556649, 843820, 1113298, 2226596, 2783245, 5566490, 11132980, 17256119, 34512238, 69024476, 86280595, 172561190, 345122380]

約数ペア:

[(1, 345122380), (2, 172561190), (4, 86280595), (5, 69024476), (10, 34512238), (20, 17256119), (31, 11132980), (62, 5566490), (124, 2783245), (155, 2226596), (310, 1113298), (409, 843820), (620, 556649), (818, 421910), (1361, 253580), (1636, 210955), (2045, 168764), (2722, 126790), (4090, 84382), (5444, 63395), (6805, 50716), (8180, 42191), (12679, 27220), (13610, 25358)]