303926420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{310129}}^1$

素因数の和:310152

約数の個数: 36

約数和(自身を含む): 742451220

約数和(自身を除く): 438524800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 310129, 620258, 1240516, 1550645, 2170903, 3101290, 4341806, 6202580, 8683612, 10854515, 15196321, 21709030, 30392642, 43418060, 60785284, 75981605, 151963210, 303926420]

約数ペア:

[(1, 303926420), (2, 151963210), (4, 75981605), (5, 60785284), (7, 43418060), (10, 30392642), (14, 21709030), (20, 15196321), (28, 10854515), (35, 8683612), (49, 6202580), (70, 4341806), (98, 3101290), (140, 2170903), (196, 1550645), (245, 1240516), (490, 620258), (980, 310129)]