82503700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 190300320

約数和(自身を除く): 107796620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 173, 190, 251, 346, 380, 475, 502, 692, 865, 950, 1004, 1255, 1730, 1900, 2510, 3287, 3460, 4325, 4769, 5020, 6275, 6574, 8650, 9538, 12550, 13148, 16435, 17300, 19076, 23845, 25100, 32870, 43423, 47690, 65740, 82175, 86846, 95380, 119225, 164350, 173692, 217115, 238450, 328700, 434230, 476900, 825037, 868460, 1085575, 1650074, 2171150, 3300148, 4125185, 4342300, 8250370, 16500740, 20625925, 41251850, 82503700]

約数ペア:

[(1, 82503700), (2, 41251850), (4, 20625925), (5, 16500740), (10, 8250370), (19, 4342300), (20, 4125185), (25, 3300148), (38, 2171150), (50, 1650074), (76, 1085575), (95, 868460), (100, 825037), (173, 476900), (190, 434230), (251, 328700), (346, 238450), (380, 217115), (475, 173692), (502, 164350), (692, 119225), (865, 95380), (950, 86846), (1004, 82175), (1255, 65740), (1730, 47690), (1900, 43423), (2510, 32870), (3287, 25100), (3460, 23845), (4325, 19076), (4769, 17300), (5020, 16435), (6275, 13148), (6574, 12550), (8650, 9538)]