1226760620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{12541}}^1$

素因数の和:12690

約数の個数: 48

約数和(自身を含む): 2650676448

約数和(自身を除く): 1423915828

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 670, 730, 1340, 1460, 4891, 9782, 12541, 19564, 24455, 25082, 48910, 50164, 62705, 97820, 125410, 250820, 840247, 915493, 1680494, 1830986, 3360988, 3661972, 4201235, 4577465, 8402470, 9154930, 16804940, 18309860, 61338031, 122676062, 245352124, 306690155, 613380310, 1226760620]

約数ペア:

[(1, 1226760620), (2, 613380310), (4, 306690155), (5, 245352124), (10, 122676062), (20, 61338031), (67, 18309860), (73, 16804940), (134, 9154930), (146, 8402470), (268, 4577465), (292, 4201235), (335, 3661972), (365, 3360988), (670, 1830986), (730, 1680494), (1340, 915493), (1460, 840247), (4891, 250820), (9782, 125410), (12541, 97820), (19564, 62705), (24455, 50164), (25082, 48910)]