77914820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{541}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 173006400

約数和(自身を除く): 95091580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 541, 758, 1082, 1516, 1895, 2164, 2705, 3790, 5410, 7201, 7580, 10279, 10820, 14402, 20558, 28804, 36005, 41116, 51395, 72010, 102790, 144020, 205039, 205580, 410078, 820156, 1025195, 2050390, 3895741, 4100780, 7791482, 15582964, 19478705, 38957410, 77914820]

約数ペア:

[(1, 77914820), (2, 38957410), (4, 19478705), (5, 15582964), (10, 7791482), (19, 4100780), (20, 3895741), (38, 2050390), (76, 1025195), (95, 820156), (190, 410078), (379, 205580), (380, 205039), (541, 144020), (758, 102790), (1082, 72010), (1516, 51395), (1895, 41116), (2164, 36005), (2705, 28804), (3790, 20558), (5410, 14402), (7201, 10820), (7580, 10279)]