138949210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1741}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 261885312

約数和(自身を除く): 122936102

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 347, 694, 1735, 1741, 3470, 3482, 7981, 8705, 15962, 17410, 39905, 40043, 79810, 80086, 200215, 400430, 604127, 1208254, 3020635, 6041270, 13894921, 27789842, 69474605, 138949210]

約数ペア:

[(1, 138949210), (2, 69474605), (5, 27789842), (10, 13894921), (23, 6041270), (46, 3020635), (115, 1208254), (230, 604127), (347, 400430), (694, 200215), (1735, 80086), (1741, 79810), (3470, 40043), (3482, 39905), (7981, 17410), (8705, 15962)]