291179420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{1709}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 699814080

約数和(自身を除く): 408634660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1217, 1709, 2434, 3418, 4868, 6085, 6836, 8519, 8545, 11963, 12170, 17038, 17090, 23926, 24340, 34076, 34180, 42595, 47852, 59815, 85190, 119630, 170380, 239260, 2079853, 4159706, 8319412, 10399265, 14558971, 20798530, 29117942, 41597060, 58235884, 72794855, 145589710, 291179420]

約数ペア:

[(1, 291179420), (2, 145589710), (4, 72794855), (5, 58235884), (7, 41597060), (10, 29117942), (14, 20798530), (20, 14558971), (28, 10399265), (35, 8319412), (70, 4159706), (140, 2079853), (1217, 239260), (1709, 170380), (2434, 119630), (3418, 85190), (4868, 59815), (6085, 47852), (6836, 42595), (8519, 34180), (8545, 34076), (11963, 24340), (12170, 23926), (17038, 17090)]