42977780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 94209024

約数和(自身を除く): 51231244

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 673, 1030, 1346, 2060, 2692, 3193, 3365, 6386, 6730, 12772, 13460, 15965, 20863, 31930, 41726, 63860, 69319, 83452, 104315, 138638, 208630, 277276, 346595, 417260, 693190, 1386380, 2148889, 4297778, 8595556, 10744445, 21488890, 42977780]

約数ペア:

[(1, 42977780), (2, 21488890), (4, 10744445), (5, 8595556), (10, 4297778), (20, 2148889), (31, 1386380), (62, 693190), (103, 417260), (124, 346595), (155, 277276), (206, 208630), (310, 138638), (412, 104315), (515, 83452), (620, 69319), (673, 63860), (1030, 41726), (1346, 31930), (2060, 20863), (2692, 15965), (3193, 13460), (3365, 12772), (6386, 6730)]