128839180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4138

約数の個数: 48

約数和(自身を含む): 284407200

約数和(自身を除く): 155568020

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 4049, 6364, 7955, 8098, 15910, 16196, 20245, 31820, 40490, 80980, 149813, 174107, 299626, 348214, 599252, 696428, 749065, 870535, 1498130, 1741070, 2996260, 3482140, 6441959, 12883918, 25767836, 32209795, 64419590, 128839180]

約数ペア:

[(1, 128839180), (2, 64419590), (4, 32209795), (5, 25767836), (10, 12883918), (20, 6441959), (37, 3482140), (43, 2996260), (74, 1741070), (86, 1498130), (148, 870535), (172, 749065), (185, 696428), (215, 599252), (370, 348214), (430, 299626), (740, 174107), (860, 149813), (1591, 80980), (3182, 40490), (4049, 31820), (6364, 20245), (7955, 16196), (8098, 15910)]