7009940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 17926272

約数和(自身を除く): 10916332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 311, 322, 460, 490, 622, 644, 805, 980, 1127, 1244, 1555, 1610, 2177, 2254, 3110, 3220, 4354, 4508, 5635, 6220, 7153, 8708, 10885, 11270, 14306, 15239, 21770, 22540, 28612, 30478, 35765, 43540, 50071, 60956, 71530, 76195, 100142, 143060, 152390, 200284, 250355, 304780, 350497, 500710, 700994, 1001420, 1401988, 1752485, 3504970, 7009940]

約数ペア:

[(1, 7009940), (2, 3504970), (4, 1752485), (5, 1401988), (7, 1001420), (10, 700994), (14, 500710), (20, 350497), (23, 304780), (28, 250355), (35, 200284), (46, 152390), (49, 143060), (70, 100142), (92, 76195), (98, 71530), (115, 60956), (140, 50071), (161, 43540), (196, 35765), (230, 30478), (245, 28612), (311, 22540), (322, 21770), (460, 15239), (490, 14306), (622, 11270), (644, 10885), (805, 8708), (980, 7153), (1127, 6220), (1244, 5635), (1555, 4508), (1610, 4354), (2177, 3220), (2254, 3110)]