9709420

素因数分解:

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

素因数の和:550

約数の個数: 48

約数和(自身を含む): 23482368

約数和(自身を除く): 13772948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 311, 446, 622, 892, 1115, 1244, 1555, 1561, 2177, 2230, 3110, 3122, 4354, 4460, 6220, 6244, 7805, 8708, 10885, 15610, 21770, 31220, 43540, 69353, 138706, 277412, 346765, 485471, 693530, 970942, 1387060, 1941884, 2427355, 4854710, 9709420]

約数ペア:

[(1, 9709420), (2, 4854710), (4, 2427355), (5, 1941884), (7, 1387060), (10, 970942), (14, 693530), (20, 485471), (28, 346765), (35, 277412), (70, 138706), (140, 69353), (223, 43540), (311, 31220), (446, 21770), (622, 15610), (892, 10885), (1115, 8708), (1244, 7805), (1555, 6244), (1561, 6220), (2177, 4460), (2230, 4354), (3110, 3122)]