389629940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{2027}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 936254592

約数和(自身を除く): 546624652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1373, 2027, 2746, 4054, 5492, 6865, 8108, 9611, 10135, 13730, 14189, 19222, 20270, 27460, 28378, 38444, 40540, 48055, 56756, 70945, 96110, 141890, 192220, 283780, 2783071, 5566142, 11132284, 13915355, 19481497, 27830710, 38962994, 55661420, 77925988, 97407485, 194814970, 389629940]

約数ペア:

[(1, 389629940), (2, 194814970), (4, 97407485), (5, 77925988), (7, 55661420), (10, 38962994), (14, 27830710), (20, 19481497), (28, 13915355), (35, 11132284), (70, 5566142), (140, 2783071), (1373, 283780), (2027, 192220), (2746, 141890), (4054, 96110), (5492, 70945), (6865, 56756), (8108, 48055), (9611, 40540), (10135, 38444), (13730, 28378), (14189, 27460), (19222, 20270)]