67982140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 147403872

約数和(自身を除く): 79421732

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 577, 685, 860, 1154, 1370, 2308, 2740, 2885, 5770, 5891, 11540, 11782, 23564, 24811, 29455, 49622, 58910, 79049, 99244, 117820, 124055, 158098, 248110, 316196, 395245, 496220, 790490, 1580980, 3399107, 6798214, 13596428, 16995535, 33991070, 67982140]

約数ペア:

[(1, 67982140), (2, 33991070), (4, 16995535), (5, 13596428), (10, 6798214), (20, 3399107), (43, 1580980), (86, 790490), (137, 496220), (172, 395245), (215, 316196), (274, 248110), (430, 158098), (548, 124055), (577, 117820), (685, 99244), (860, 79049), (1154, 58910), (1370, 49622), (2308, 29455), (2740, 24811), (2885, 23564), (5770, 11782), (5891, 11540)]