12289900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 30963296

約数和(自身を除く): 18673396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 181, 194, 350, 362, 388, 485, 679, 700, 724, 905, 970, 1267, 1358, 1810, 1940, 2425, 2534, 2716, 3395, 3620, 4525, 4850, 5068, 6335, 6790, 9050, 9700, 12670, 13580, 16975, 17557, 18100, 25340, 31675, 33950, 35114, 63350, 67900, 70228, 87785, 122899, 126700, 175570, 245798, 351140, 438925, 491596, 614495, 877850, 1228990, 1755700, 2457980, 3072475, 6144950, 12289900]

約数ペア:

[(1, 12289900), (2, 6144950), (4, 3072475), (5, 2457980), (7, 1755700), (10, 1228990), (14, 877850), (20, 614495), (25, 491596), (28, 438925), (35, 351140), (50, 245798), (70, 175570), (97, 126700), (100, 122899), (140, 87785), (175, 70228), (181, 67900), (194, 63350), (350, 35114), (362, 33950), (388, 31675), (485, 25340), (679, 18100), (700, 17557), (724, 16975), (905, 13580), (970, 12670), (1267, 9700), (1358, 9050), (1810, 6790), (1940, 6335), (2425, 5068), (2534, 4850), (2716, 4525), (3395, 3620)]