430220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 1053360

約数和(自身を除く): 623140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 878, 980, 1756, 2195, 3073, 4390, 6146, 8780, 12292, 15365, 21511, 30730, 43022, 61460, 86044, 107555, 215110, 430220]

約数ペア:

[(1, 430220), (2, 215110), (4, 107555), (5, 86044), (7, 61460), (10, 43022), (14, 30730), (20, 21511), (28, 15365), (35, 12292), (49, 8780), (70, 6146), (98, 4390), (140, 3073), (196, 2195), (245, 1756), (439, 980), (490, 878)]