31303300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 78369984

約数和(自身を除く): 47066684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 227, 350, 394, 454, 700, 788, 908, 985, 1135, 1379, 1589, 1970, 2270, 2758, 3178, 3940, 4540, 4925, 5516, 5675, 6356, 6895, 7945, 9850, 11350, 13790, 15890, 19700, 22700, 27580, 31780, 34475, 39725, 44719, 68950, 79450, 89438, 137900, 158900, 178876, 223595, 313033, 447190, 626066, 894380, 1117975, 1252132, 1565165, 2235950, 3130330, 4471900, 6260660, 7825825, 15651650, 31303300]

約数ペア:

[(1, 31303300), (2, 15651650), (4, 7825825), (5, 6260660), (7, 4471900), (10, 3130330), (14, 2235950), (20, 1565165), (25, 1252132), (28, 1117975), (35, 894380), (50, 626066), (70, 447190), (100, 313033), (140, 223595), (175, 178876), (197, 158900), (227, 137900), (350, 89438), (394, 79450), (454, 68950), (700, 44719), (788, 39725), (908, 34475), (985, 31780), (1135, 27580), (1379, 22700), (1589, 19700), (1970, 15890), (2270, 13790), (2758, 11350), (3178, 9850), (3940, 7945), (4540, 6895), (4925, 6356), (5516, 5675)]