403238305

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 507386880

約数和(自身を除く): 104148575

約数列:

[1, 5, 43, 103, 131, 139, 215, 515, 655, 695, 4429, 5633, 5977, 13493, 14317, 18209, 22145, 28165, 29885, 67465, 71585, 91045, 580199, 615631, 782987, 1875527, 2900995, 3078155, 3914935, 9377635, 80647661, 403238305]

約数ペア:

[(1, 403238305), (5, 80647661), (43, 9377635), (103, 3914935), (131, 3078155), (139, 2900995), (215, 1875527), (515, 782987), (655, 615631), (695, 580199), (4429, 91045), (5633, 71585), (5977, 67465), (13493, 29885), (14317, 28165), (18209, 22145)]