312304630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{1297}}^1$

素因数の和:1525

約数の個数: 48

約数和(自身を含む): 621482400

約数和(自身を除く): 309177770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 995, 1210, 1297, 1990, 2189, 2594, 4378, 6485, 10945, 12970, 14267, 21890, 24079, 28534, 48158, 71335, 120395, 142670, 156937, 240790, 258103, 313874, 516206, 784685, 1290515, 1569370, 2581030, 2839133, 5678266, 14195665, 28391330, 31230463, 62460926, 156152315, 312304630]

約数ペア:

[(1, 312304630), (2, 156152315), (5, 62460926), (10, 31230463), (11, 28391330), (22, 14195665), (55, 5678266), (110, 2839133), (121, 2581030), (199, 1569370), (242, 1290515), (398, 784685), (605, 516206), (995, 313874), (1210, 258103), (1297, 240790), (1990, 156937), (2189, 142670), (2594, 120395), (4378, 71335), (6485, 48158), (10945, 28534), (12970, 24079), (14267, 21890)]