7777488940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1361}}^1$

素因数の和:2123

約数の個数: 96

約数和(自身を含む): 18195448320

約数和(自身を除く): 10417959380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 709, 806, 1361, 1418, 1612, 2015, 2722, 2836, 3545, 4030, 5444, 6805, 7090, 8060, 9217, 13610, 14180, 17693, 18434, 21979, 27220, 35386, 36868, 42191, 43958, 46085, 70772, 84382, 87916, 88465, 92170, 109895, 168764, 176930, 184340, 210955, 219790, 285727, 353860, 421910, 439580, 548483, 571454, 843820, 964949, 1096966, 1142908, 1428635, 1929898, 2193932, 2742415, 2857270, 3859796, 4824745, 5484830, 5714540, 9649490, 10969660, 12544337, 19298980, 25088674, 29913419, 50177348, 59826838, 62721685, 119653676, 125443370, 149567095, 250886740, 299134190, 388874447, 598268380, 777748894, 1555497788, 1944372235, 3888744470, 7777488940]

約数ペア:

[(1, 7777488940), (2, 3888744470), (4, 1944372235), (5, 1555497788), (10, 777748894), (13, 598268380), (20, 388874447), (26, 299134190), (31, 250886740), (52, 149567095), (62, 125443370), (65, 119653676), (124, 62721685), (130, 59826838), (155, 50177348), (260, 29913419), (310, 25088674), (403, 19298980), (620, 12544337), (709, 10969660), (806, 9649490), (1361, 5714540), (1418, 5484830), (1612, 4824745), (2015, 3859796), (2722, 2857270), (2836, 2742415), (3545, 2193932), (4030, 1929898), (5444, 1428635), (6805, 1142908), (7090, 1096966), (8060, 964949), (9217, 843820), (13610, 571454), (14180, 548483), (17693, 439580), (18434, 421910), (21979, 353860), (27220, 285727), (35386, 219790), (36868, 210955), (42191, 184340), (43958, 176930), (46085, 168764), (70772, 109895), (84382, 92170), (87916, 88465)]