219460220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223939}}^1$

素因数の和:223962

約数の個数: 36

約数和(自身を含む): 536112360

約数和(自身を除く): 316652140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 223939, 447878, 895756, 1119695, 1567573, 2239390, 3135146, 4478780, 6270292, 7837865, 10973011, 15675730, 21946022, 31351460, 43892044, 54865055, 109730110, 219460220]

約数ペア:

[(1, 219460220), (2, 109730110), (4, 54865055), (5, 43892044), (7, 31351460), (10, 21946022), (14, 15675730), (20, 10973011), (28, 7837865), (35, 6270292), (49, 4478780), (70, 3135146), (98, 2239390), (140, 1567573), (196, 1119695), (245, 895756), (490, 447878), (980, 223939)]