1340373970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{10729}}^1$

素因数の和:10811

約数の個数: 48

約数和(自身を含む): 2685032280

約数和(自身を除く): 1344658310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 4030, 4805, 9610, 10729, 12493, 21458, 24986, 53645, 62465, 107290, 124930, 139477, 278954, 332599, 665198, 697385, 1394770, 1662995, 3325990, 4323787, 8647574, 10310569, 20621138, 21618935, 43237870, 51552845, 103105690, 134037397, 268074794, 670186985, 1340373970]

約数ペア:

[(1, 1340373970), (2, 670186985), (5, 268074794), (10, 134037397), (13, 103105690), (26, 51552845), (31, 43237870), (62, 21618935), (65, 20621138), (130, 10310569), (155, 8647574), (310, 4323787), (403, 3325990), (806, 1662995), (961, 1394770), (1922, 697385), (2015, 665198), (4030, 332599), (4805, 278954), (9610, 139477), (10729, 124930), (12493, 107290), (21458, 62465), (24986, 53645)]