421059940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{61379}}^1$

素因数の和:61409

約数の個数: 48

約数和(自身を含む): 1031184000

約数和(自身を除く): 610124060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 61379, 122758, 245516, 306895, 429653, 613790, 859306, 1227580, 1718612, 2148265, 3007571, 4296530, 6015142, 8593060, 12030284, 15037855, 21052997, 30075710, 42105994, 60151420, 84211988, 105264985, 210529970, 421059940]

約数ペア:

[(1, 421059940), (2, 210529970), (4, 105264985), (5, 84211988), (7, 60151420), (10, 42105994), (14, 30075710), (20, 21052997), (28, 15037855), (35, 12030284), (49, 8593060), (70, 6015142), (98, 4296530), (140, 3007571), (196, 2148265), (245, 1718612), (343, 1227580), (490, 859306), (686, 613790), (980, 429653), (1372, 306895), (1715, 245516), (3430, 122758), (6860, 61379)]