42900620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 103591488

約数和(自身を除く): 60690868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1693, 1810, 2534, 3386, 3620, 5068, 6335, 6772, 8465, 11851, 12670, 16930, 23702, 25340, 33860, 47404, 59255, 118510, 237020, 306433, 612866, 1225732, 1532165, 2145031, 3064330, 4290062, 6128660, 8580124, 10725155, 21450310, 42900620]

約数ペア:

[(1, 42900620), (2, 21450310), (4, 10725155), (5, 8580124), (7, 6128660), (10, 4290062), (14, 3064330), (20, 2145031), (28, 1532165), (35, 1225732), (70, 612866), (140, 306433), (181, 237020), (362, 118510), (724, 59255), (905, 47404), (1267, 33860), (1693, 25340), (1810, 23702), (2534, 16930), (3386, 12670), (3620, 11851), (5068, 8465), (6335, 6772)]