257131350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{81629}}^1$

素因数の和:81654

約数の個数: 72

約数和(自身を含む): 789525360

約数和(自身を除く): 532394010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 81629, 163258, 244887, 408145, 489774, 571403, 734661, 816290, 1142806, 1224435, 1469322, 1714209, 2040725, 2448870, 2857015, 3428418, 3673305, 4081450, 5142627, 5714030, 6122175, 7346610, 8571045, 10285254, 12244350, 14285075, 17142090, 18366525, 25713135, 28570150, 36733050, 42855225, 51426270, 85710450, 128565675, 257131350]

約数ペア:

[(1, 257131350), (2, 128565675), (3, 85710450), (5, 51426270), (6, 42855225), (7, 36733050), (9, 28570150), (10, 25713135), (14, 18366525), (15, 17142090), (18, 14285075), (21, 12244350), (25, 10285254), (30, 8571045), (35, 7346610), (42, 6122175), (45, 5714030), (50, 5142627), (63, 4081450), (70, 3673305), (75, 3428418), (90, 2857015), (105, 2448870), (126, 2040725), (150, 1714209), (175, 1469322), (210, 1224435), (225, 1142806), (315, 816290), (350, 734661), (450, 571403), (525, 489774), (630, 408145), (1050, 244887), (1575, 163258), (3150, 81629)]