129888940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{341813}}^1$

素因数の和:341841

約数の個数: 24

約数和(自身を含む): 287123760

約数和(自身を除く): 157234820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 341813, 683626, 1367252, 1709065, 3418130, 6494447, 6836260, 12988894, 25977788, 32472235, 64944470, 129888940]

約数ペア:

[(1, 129888940), (2, 64944470), (4, 32472235), (5, 25977788), (10, 12988894), (19, 6836260), (20, 6494447), (38, 3418130), (76, 1709065), (95, 1367252), (190, 683626), (380, 341813)]