73871420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 184759344

約数和(自身を除く): 110887924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1753, 2107, 3010, 3506, 4214, 6020, 7012, 8428, 8765, 10535, 12271, 17530, 21070, 24542, 35060, 42140, 49084, 61355, 75379, 85897, 122710, 150758, 171794, 245420, 301516, 343588, 376895, 429485, 527653, 753790, 858970, 1055306, 1507580, 1717940, 2110612, 2638265, 3693571, 5276530, 7387142, 10553060, 14774284, 18467855, 36935710, 73871420]

約数ペア:

[(1, 73871420), (2, 36935710), (4, 18467855), (5, 14774284), (7, 10553060), (10, 7387142), (14, 5276530), (20, 3693571), (28, 2638265), (35, 2110612), (43, 1717940), (49, 1507580), (70, 1055306), (86, 858970), (98, 753790), (140, 527653), (172, 429485), (196, 376895), (215, 343588), (245, 301516), (301, 245420), (430, 171794), (490, 150758), (602, 122710), (860, 85897), (980, 75379), (1204, 61355), (1505, 49084), (1753, 42140), (2107, 35060), (3010, 24542), (3506, 21070), (4214, 17530), (6020, 12271), (7012, 10535), (8428, 8765)]