742308520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 1690787520

約数和(自身を除く): 948479000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 257, 326, 443, 514, 652, 815, 886, 1028, 1285, 1304, 1630, 1772, 2056, 2215, 2570, 3260, 3544, 4430, 5140, 6520, 8860, 10280, 17720, 41891, 72209, 83782, 113851, 144418, 167564, 209455, 227702, 288836, 335128, 361045, 418910, 455404, 569255, 577672, 722090, 837820, 910808, 1138510, 1444180, 1675640, 2277020, 2888360, 4554040, 18557713, 37115426, 74230852, 92788565, 148461704, 185577130, 371154260, 742308520]

約数ペア:

[(1, 742308520), (2, 371154260), (4, 185577130), (5, 148461704), (8, 92788565), (10, 74230852), (20, 37115426), (40, 18557713), (163, 4554040), (257, 2888360), (326, 2277020), (443, 1675640), (514, 1444180), (652, 1138510), (815, 910808), (886, 837820), (1028, 722090), (1285, 577672), (1304, 569255), (1630, 455404), (1772, 418910), (2056, 361045), (2215, 335128), (2570, 288836), (3260, 227702), (3544, 209455), (4430, 167564), (5140, 144418), (6520, 113851), (8860, 83782), (10280, 72209), (17720, 41891)]