67965940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 167311872

約数和(自身を除く): 99345932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 311, 446, 490, 622, 892, 980, 1115, 1244, 1555, 1561, 2177, 2230, 3110, 3122, 4354, 4460, 6220, 6244, 7805, 8708, 10885, 10927, 15239, 15610, 21770, 21854, 30478, 31220, 43540, 43708, 54635, 60956, 69353, 76195, 109270, 138706, 152390, 218540, 277412, 304780, 346765, 485471, 693530, 970942, 1387060, 1941884, 2427355, 3398297, 4854710, 6796594, 9709420, 13593188, 16991485, 33982970, 67965940]

約数ペア:

[(1, 67965940), (2, 33982970), (4, 16991485), (5, 13593188), (7, 9709420), (10, 6796594), (14, 4854710), (20, 3398297), (28, 2427355), (35, 1941884), (49, 1387060), (70, 970942), (98, 693530), (140, 485471), (196, 346765), (223, 304780), (245, 277412), (311, 218540), (446, 152390), (490, 138706), (622, 109270), (892, 76195), (980, 69353), (1115, 60956), (1244, 54635), (1555, 43708), (1561, 43540), (2177, 31220), (2230, 30478), (3110, 21854), (3122, 21770), (4354, 15610), (4460, 15239), (6220, 10927), (6244, 10885), (7805, 8708)]