173404720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30529}}^1$

素因数の和:30613

約数の個数: 40

約数和(自身を含む): 408857760

約数和(自身を除く): 235453040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 30529, 61058, 122116, 152645, 244232, 305290, 488464, 610580, 1221160, 2167559, 2442320, 4335118, 8670236, 10837795, 17340472, 21675590, 34680944, 43351180, 86702360, 173404720]

約数ペア:

[(1, 173404720), (2, 86702360), (4, 43351180), (5, 34680944), (8, 21675590), (10, 17340472), (16, 10837795), (20, 8670236), (40, 4335118), (71, 2442320), (80, 2167559), (142, 1221160), (284, 610580), (355, 488464), (568, 305290), (710, 244232), (1136, 152645), (1420, 122116), (2840, 61058), (5680, 30529)]