122998820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{125509}}^1$

素因数の和:125532

約数の個数: 36

約数和(自身を含む): 300470940

約数和(自身を除く): 177472120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 125509, 251018, 502036, 627545, 878563, 1255090, 1757126, 2510180, 3514252, 4392815, 6149941, 8785630, 12299882, 17571260, 24599764, 30749705, 61499410, 122998820]

約数ペア:

[(1, 122998820), (2, 61499410), (4, 30749705), (5, 24599764), (7, 17571260), (10, 12299882), (14, 8785630), (20, 6149941), (28, 4392815), (35, 3514252), (49, 2510180), (70, 1757126), (98, 1255090), (140, 878563), (196, 627545), (245, 502036), (490, 251018), (980, 125509)]