303819940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2371}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 657518400

約数和(自身を除く): 353698460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 2371, 2980, 4742, 6407, 9484, 11855, 12814, 23710, 25628, 32035, 47420, 64070, 101953, 128140, 203906, 353279, 407812, 509765, 706558, 1019530, 1413116, 1766395, 2039060, 3532790, 7065580, 15190997, 30381994, 60763988, 75954985, 151909970, 303819940]

約数ペア:

[(1, 303819940), (2, 151909970), (4, 75954985), (5, 60763988), (10, 30381994), (20, 15190997), (43, 7065580), (86, 3532790), (149, 2039060), (172, 1766395), (215, 1413116), (298, 1019530), (430, 706558), (596, 509765), (745, 407812), (860, 353279), (1490, 203906), (2371, 128140), (2980, 101953), (4742, 64070), (6407, 47420), (9484, 32035), (11855, 25628), (12814, 23710)]