2830940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 6912192

約数和(自身を除く): 4081252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 277, 292, 365, 511, 554, 730, 1022, 1108, 1385, 1460, 1939, 2044, 2555, 2770, 3878, 5110, 5540, 7756, 9695, 10220, 19390, 20221, 38780, 40442, 80884, 101105, 141547, 202210, 283094, 404420, 566188, 707735, 1415470, 2830940]

約数ペア:

[(1, 2830940), (2, 1415470), (4, 707735), (5, 566188), (7, 404420), (10, 283094), (14, 202210), (20, 141547), (28, 101105), (35, 80884), (70, 40442), (73, 38780), (140, 20221), (146, 19390), (277, 10220), (292, 9695), (365, 7756), (511, 5540), (554, 5110), (730, 3878), (1022, 2770), (1108, 2555), (1385, 2044), (1460, 1939)]