31437700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 78939392

約数和(自身を除く): 47501692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 463, 485, 679, 700, 926, 970, 1358, 1852, 1940, 2315, 2425, 2716, 3241, 3395, 4630, 4850, 6482, 6790, 9260, 9700, 11575, 12964, 13580, 16205, 16975, 23150, 32410, 33950, 44911, 46300, 64820, 67900, 81025, 89822, 162050, 179644, 224555, 314377, 324100, 449110, 628754, 898220, 1122775, 1257508, 1571885, 2245550, 3143770, 4491100, 6287540, 7859425, 15718850, 31437700]

約数ペア:

[(1, 31437700), (2, 15718850), (4, 7859425), (5, 6287540), (7, 4491100), (10, 3143770), (14, 2245550), (20, 1571885), (25, 1257508), (28, 1122775), (35, 898220), (50, 628754), (70, 449110), (97, 324100), (100, 314377), (140, 224555), (175, 179644), (194, 162050), (350, 89822), (388, 81025), (463, 67900), (485, 64820), (679, 46300), (700, 44911), (926, 33950), (970, 32410), (1358, 23150), (1852, 16975), (1940, 16205), (2315, 13580), (2425, 12964), (2716, 11575), (3241, 9700), (3395, 9260), (4630, 6790), (4850, 6482)]