157214886820

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1979}}^1\times {\mathrm{10211}}^1$

素因数の和:12588

約数の個数: 48

約数和(自身を含む): 331199668800

約数和(自身を除く): 173984781980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 1979, 3890, 3958, 7780, 7916, 9895, 10211, 19790, 20422, 39580, 40844, 51055, 102110, 204220, 769831, 1539662, 3079324, 3849155, 3972079, 7698310, 7944158, 15396620, 15888316, 19860395, 20207569, 39720790, 40415138, 79441580, 80830276, 101037845, 202075690, 404151380, 7860744341, 15721488682, 31442977364, 39303721705, 78607443410, 157214886820]

約数ペア:

[(1, 157214886820), (2, 78607443410), (4, 39303721705), (5, 31442977364), (10, 15721488682), (20, 7860744341), (389, 404151380), (778, 202075690), (1556, 101037845), (1945, 80830276), (1979, 79441580), (3890, 40415138), (3958, 39720790), (7780, 20207569), (7916, 19860395), (9895, 15888316), (10211, 15396620), (19790, 7944158), (20422, 7698310), (39580, 3972079), (40844, 3849155), (51055, 3079324), (102110, 1539662), (204220, 769831)]