49811440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 137147472

約数和(自身を除く): 87336032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 131, 140, 194, 196, 245, 262, 280, 388, 392, 485, 490, 524, 560, 655, 679, 776, 784, 917, 970, 980, 1048, 1310, 1358, 1552, 1834, 1940, 1960, 2096, 2620, 2716, 3395, 3668, 3880, 3920, 4585, 4753, 5240, 5432, 6419, 6790, 7336, 7760, 9170, 9506, 10480, 10864, 12707, 12838, 13580, 14672, 18340, 19012, 23765, 25414, 25676, 27160, 32095, 36680, 38024, 47530, 50828, 51352, 54320, 63535, 64190, 73360, 76048, 88949, 95060, 101656, 102704, 127070, 128380, 177898, 190120, 203312, 254140, 256760, 355796, 380240, 444745, 508280, 513520, 622643, 711592, 889490, 1016560, 1245286, 1423184, 1778980, 2490572, 3113215, 3557960, 4981144, 6226430, 7115920, 9962288, 12452860, 24905720, 49811440]

約数ペア:

[(1, 49811440), (2, 24905720), (4, 12452860), (5, 9962288), (7, 7115920), (8, 6226430), (10, 4981144), (14, 3557960), (16, 3113215), (20, 2490572), (28, 1778980), (35, 1423184), (40, 1245286), (49, 1016560), (56, 889490), (70, 711592), (80, 622643), (97, 513520), (98, 508280), (112, 444745), (131, 380240), (140, 355796), (194, 256760), (196, 254140), (245, 203312), (262, 190120), (280, 177898), (388, 128380), (392, 127070), (485, 102704), (490, 101656), (524, 95060), (560, 88949), (655, 76048), (679, 73360), (776, 64190), (784, 63535), (917, 54320), (970, 51352), (980, 50828), (1048, 47530), (1310, 38024), (1358, 36680), (1552, 32095), (1834, 27160), (1940, 25676), (1960, 25414), (2096, 23765), (2620, 19012), (2716, 18340), (3395, 14672), (3668, 13580), (3880, 12838), (3920, 12707), (4585, 10864), (4753, 10480), (5240, 9506), (5432, 9170), (6419, 7760), (6790, 7336)]