11912140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 26107200

約数和(自身を除く): 14195060

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 199, 205, 292, 365, 398, 410, 730, 796, 820, 995, 1460, 1990, 2993, 3980, 5986, 8159, 11972, 14527, 14965, 16318, 29054, 29930, 32636, 40795, 58108, 59860, 72635, 81590, 145270, 163180, 290540, 595607, 1191214, 2382428, 2978035, 5956070, 11912140]

約数ペア:

[(1, 11912140), (2, 5956070), (4, 2978035), (5, 2382428), (10, 1191214), (20, 595607), (41, 290540), (73, 163180), (82, 145270), (146, 81590), (164, 72635), (199, 59860), (205, 58108), (292, 40795), (365, 32636), (398, 29930), (410, 29054), (730, 16318), (796, 14965), (820, 14527), (995, 11972), (1460, 8159), (1990, 5986), (2993, 3980)]