42803660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 92080800

約数和(自身を除く): 49277140

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 173, 178, 278, 346, 356, 445, 556, 692, 695, 865, 890, 1390, 1730, 1780, 2780, 3460, 12371, 15397, 24047, 24742, 30794, 48094, 49484, 61588, 61855, 76985, 96188, 120235, 123710, 153970, 240470, 247420, 307940, 480940, 2140183, 4280366, 8560732, 10700915, 21401830, 42803660]

約数ペア:

[(1, 42803660), (2, 21401830), (4, 10700915), (5, 8560732), (10, 4280366), (20, 2140183), (89, 480940), (139, 307940), (173, 247420), (178, 240470), (278, 153970), (346, 123710), (356, 120235), (445, 96188), (556, 76985), (692, 61855), (695, 61588), (865, 49484), (890, 48094), (1390, 30794), (1730, 24742), (1780, 24047), (2780, 15397), (3460, 12371)]