197142640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79493}}^1$

素因数の和:79537

約数の個数: 40

約数和(自身を含む): 473148288

約数和(自身を除く): 276005648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79493, 158986, 317972, 397465, 635944, 794930, 1271888, 1589860, 2464283, 3179720, 4928566, 6359440, 9857132, 12321415, 19714264, 24642830, 39428528, 49285660, 98571320, 197142640]

約数ペア:

[(1, 197142640), (2, 98571320), (4, 49285660), (5, 39428528), (8, 24642830), (10, 19714264), (16, 12321415), (20, 9857132), (31, 6359440), (40, 4928566), (62, 3179720), (80, 2464283), (124, 1589860), (155, 1271888), (248, 794930), (310, 635944), (496, 397465), (620, 317972), (1240, 158986), (2480, 79493)]