203480680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1559}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 495331200

約数和(自身を除く): 291850520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 1559, 2008, 2510, 3118, 3263, 5020, 6236, 6526, 7795, 10040, 12472, 13052, 15590, 16315, 20267, 26104, 31180, 32630, 40534, 62360, 65260, 81068, 101335, 130520, 162136, 202670, 391309, 405340, 782618, 810680, 1565236, 1956545, 3130472, 3913090, 5087017, 7826180, 10174034, 15652360, 20348068, 25435085, 40696136, 50870170, 101740340, 203480680]

約数ペア:

[(1, 203480680), (2, 101740340), (4, 50870170), (5, 40696136), (8, 25435085), (10, 20348068), (13, 15652360), (20, 10174034), (26, 7826180), (40, 5087017), (52, 3913090), (65, 3130472), (104, 1956545), (130, 1565236), (251, 810680), (260, 782618), (502, 405340), (520, 391309), (1004, 202670), (1255, 162136), (1559, 130520), (2008, 101335), (2510, 81068), (3118, 65260), (3263, 62360), (5020, 40534), (6236, 32630), (6526, 31180), (7795, 26104), (10040, 20267), (12472, 16315), (13052, 15590)]