139035740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{42649}}^1$

素因数の和:42821

約数の個数: 24

約数和(自身を含む): 293773200

約数和(自身を除く): 154737460

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 42649, 85298, 170596, 213245, 426490, 852980, 6951787, 13903574, 27807148, 34758935, 69517870, 139035740]

約数ペア:

[(1, 139035740), (2, 69517870), (4, 34758935), (5, 27807148), (10, 13903574), (20, 6951787), (163, 852980), (326, 426490), (652, 213245), (815, 170596), (1630, 85298), (3260, 42649)]