3900340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 8749440

約数和(自身を除く): 4849100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 139, 230, 244, 278, 305, 460, 556, 610, 695, 1220, 1390, 1403, 2780, 2806, 3197, 5612, 6394, 7015, 8479, 12788, 14030, 15985, 16958, 28060, 31970, 33916, 42395, 63940, 84790, 169580, 195017, 390034, 780068, 975085, 1950170, 3900340]

約数ペア:

[(1, 3900340), (2, 1950170), (4, 975085), (5, 780068), (10, 390034), (20, 195017), (23, 169580), (46, 84790), (61, 63940), (92, 42395), (115, 33916), (122, 31970), (139, 28060), (230, 16958), (244, 15985), (278, 14030), (305, 12788), (460, 8479), (556, 7015), (610, 6394), (695, 5612), (1220, 3197), (1390, 2806), (1403, 2780)]