12452860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 30968784

約数和(自身を除く): 18515924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 131, 140, 194, 196, 245, 262, 388, 485, 490, 524, 655, 679, 917, 970, 980, 1310, 1358, 1834, 1940, 2620, 2716, 3395, 3668, 4585, 4753, 6419, 6790, 9170, 9506, 12707, 12838, 13580, 18340, 19012, 23765, 25414, 25676, 32095, 47530, 50828, 63535, 64190, 88949, 95060, 127070, 128380, 177898, 254140, 355796, 444745, 622643, 889490, 1245286, 1778980, 2490572, 3113215, 6226430, 12452860]

約数ペア:

[(1, 12452860), (2, 6226430), (4, 3113215), (5, 2490572), (7, 1778980), (10, 1245286), (14, 889490), (20, 622643), (28, 444745), (35, 355796), (49, 254140), (70, 177898), (97, 128380), (98, 127070), (131, 95060), (140, 88949), (194, 64190), (196, 63535), (245, 50828), (262, 47530), (388, 32095), (485, 25676), (490, 25414), (524, 23765), (655, 19012), (679, 18340), (917, 13580), (970, 12838), (980, 12707), (1310, 9506), (1358, 9170), (1834, 6790), (1940, 6419), (2620, 4753), (2716, 4585), (3395, 3668)]