168345700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 387162720

約数和(自身を除く): 218817020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 251, 353, 380, 475, 502, 706, 950, 1004, 1255, 1412, 1765, 1900, 2510, 3530, 4769, 5020, 6275, 6707, 7060, 8825, 9538, 12550, 13414, 17650, 19076, 23845, 25100, 26828, 33535, 35300, 47690, 67070, 88603, 95380, 119225, 134140, 167675, 177206, 238450, 335350, 354412, 443015, 476900, 670700, 886030, 1683457, 1772060, 2215075, 3366914, 4430150, 6733828, 8417285, 8860300, 16834570, 33669140, 42086425, 84172850, 168345700]

約数ペア:

[(1, 168345700), (2, 84172850), (4, 42086425), (5, 33669140), (10, 16834570), (19, 8860300), (20, 8417285), (25, 6733828), (38, 4430150), (50, 3366914), (76, 2215075), (95, 1772060), (100, 1683457), (190, 886030), (251, 670700), (353, 476900), (380, 443015), (475, 354412), (502, 335350), (706, 238450), (950, 177206), (1004, 167675), (1255, 134140), (1412, 119225), (1765, 95380), (1900, 88603), (2510, 67070), (3530, 47690), (4769, 35300), (5020, 33535), (6275, 26828), (6707, 25100), (7060, 23845), (8825, 19076), (9538, 17650), (12550, 13414)]