239201720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{112831}}^1$

素因数の和:112895

約数の個数: 32

約数和(自身を含む): 548363520

約数和(自身を除く): 309161800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 112831, 225662, 451324, 564155, 902648, 1128310, 2256620, 4513240, 5980043, 11960086, 23920172, 29900215, 47840344, 59800430, 119600860, 239201720]

約数ペア:

[(1, 239201720), (2, 119600860), (4, 59800430), (5, 47840344), (8, 29900215), (10, 23920172), (20, 11960086), (40, 5980043), (53, 4513240), (106, 2256620), (212, 1128310), (265, 902648), (424, 564155), (530, 451324), (1060, 225662), (2120, 112831)]