419309720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{338153}}^1$

素因数の和:338195

約数の個数: 32

約数和(自身を含む): 973883520

約数和(自身を除く): 554573800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 338153, 676306, 1352612, 1690765, 2705224, 3381530, 6763060, 10482743, 13526120, 20965486, 41930972, 52413715, 83861944, 104827430, 209654860, 419309720]

約数ペア:

[(1, 419309720), (2, 209654860), (4, 104827430), (5, 83861944), (8, 52413715), (10, 41930972), (20, 20965486), (31, 13526120), (40, 10482743), (62, 6763060), (124, 3381530), (155, 2705224), (248, 1690765), (310, 1352612), (620, 676306), (1240, 338153)]