78527260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1171}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 189020160

約数和(自身を除く): 110492900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 958, 1171, 1916, 2342, 2395, 3353, 4684, 4790, 5855, 6706, 8197, 9580, 11710, 13412, 16394, 16765, 23420, 32788, 33530, 40985, 67060, 81970, 163940, 560909, 1121818, 2243636, 2804545, 3926363, 5609090, 7852726, 11218180, 15705452, 19631815, 39263630, 78527260]

約数ペア:

[(1, 78527260), (2, 39263630), (4, 19631815), (5, 15705452), (7, 11218180), (10, 7852726), (14, 5609090), (20, 3926363), (28, 2804545), (35, 2243636), (70, 1121818), (140, 560909), (479, 163940), (958, 81970), (1171, 67060), (1916, 40985), (2342, 33530), (2395, 32788), (3353, 23420), (4684, 16765), (4790, 16394), (5855, 13412), (6706, 11710), (8197, 9580)]