248970205

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 347868000

約数和(自身を除く): 98897795

約数列:

[1, 5, 11, 19, 55, 95, 121, 179, 209, 605, 895, 1045, 1331, 1969, 2299, 3401, 6655, 9845, 11495, 14641, 17005, 21659, 25289, 37411, 73205, 108295, 126445, 187055, 238249, 278179, 411521, 1191245, 1390895, 2057605, 2620739, 4526731, 13103695, 22633655, 49794041, 248970205]

約数ペア:

[(1, 248970205), (5, 49794041), (11, 22633655), (19, 13103695), (55, 4526731), (95, 2620739), (121, 2057605), (179, 1390895), (209, 1191245), (605, 411521), (895, 278179), (1045, 238249), (1331, 187055), (1969, 126445), (2299, 108295), (3401, 73205), (6655, 37411), (9845, 25289), (11495, 21659), (14641, 17005)]