2017823980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 4266924480

約数和(自身を除く): 2249100500

約数列:

[1, 2, 4, 5, 10, 20, 311, 401, 622, 802, 809, 1244, 1555, 1604, 1618, 2005, 3110, 3236, 4010, 4045, 6220, 8020, 8090, 16180, 124711, 249422, 251599, 324409, 498844, 503198, 623555, 648818, 1006396, 1247110, 1257995, 1297636, 1622045, 2494220, 2515990, 3244090, 5031980, 6488180, 100891199, 201782398, 403564796, 504455995, 1008911990, 2017823980]

約数ペア:

[(1, 2017823980), (2, 1008911990), (4, 504455995), (5, 403564796), (10, 201782398), (20, 100891199), (311, 6488180), (401, 5031980), (622, 3244090), (802, 2515990), (809, 2494220), (1244, 1622045), (1555, 1297636), (1604, 1257995), (1618, 1247110), (2005, 1006396), (3110, 648818), (3236, 623555), (4010, 503198), (4045, 498844), (6220, 324409), (8020, 251599), (8090, 249422), (16180, 124711)]