161975800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1061

約数の個数: 96

約数和(自身を含む): 434257920

約数和(自身を除く): 272282120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 127, 140, 175, 200, 254, 280, 350, 508, 635, 700, 889, 911, 1016, 1270, 1400, 1778, 1822, 2540, 3175, 3556, 3644, 4445, 4555, 5080, 6350, 6377, 7112, 7288, 8890, 9110, 12700, 12754, 17780, 18220, 22225, 22775, 25400, 25508, 31885, 35560, 36440, 44450, 45550, 51016, 63770, 88900, 91100, 115697, 127540, 159425, 177800, 182200, 231394, 255080, 318850, 462788, 578485, 637700, 809879, 925576, 1156970, 1275400, 1619758, 2313940, 2892425, 3239516, 4049395, 4627880, 5784850, 6479032, 8098790, 11569700, 16197580, 20246975, 23139400, 32395160, 40493950, 80987900, 161975800]

約数ペア:

[(1, 161975800), (2, 80987900), (4, 40493950), (5, 32395160), (7, 23139400), (8, 20246975), (10, 16197580), (14, 11569700), (20, 8098790), (25, 6479032), (28, 5784850), (35, 4627880), (40, 4049395), (50, 3239516), (56, 2892425), (70, 2313940), (100, 1619758), (127, 1275400), (140, 1156970), (175, 925576), (200, 809879), (254, 637700), (280, 578485), (350, 462788), (508, 318850), (635, 255080), (700, 231394), (889, 182200), (911, 177800), (1016, 159425), (1270, 127540), (1400, 115697), (1778, 91100), (1822, 88900), (2540, 63770), (3175, 51016), (3556, 45550), (3644, 44450), (4445, 36440), (4555, 35560), (5080, 31885), (6350, 25508), (6377, 25400), (7112, 22775), (7288, 22225), (8890, 18220), (9110, 17780), (12700, 12754)]