1986861310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{7753}}^1$

素因数の和:8297

約数の個数: 48

約数和(自身を含む): 4168736496

約数和(自身を除く): 2181875186

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 523, 1046, 2615, 3661, 5230, 7322, 7753, 15506, 18305, 25627, 36610, 38765, 51254, 54271, 77530, 108542, 128135, 256270, 271355, 379897, 542710, 759794, 1899485, 3798970, 4054819, 8109638, 20274095, 28383733, 40548190, 56767466, 141918665, 198686131, 283837330, 397372262, 993430655, 1986861310]

約数ペア:

[(1, 1986861310), (2, 993430655), (5, 397372262), (7, 283837330), (10, 198686131), (14, 141918665), (35, 56767466), (49, 40548190), (70, 28383733), (98, 20274095), (245, 8109638), (490, 4054819), (523, 3798970), (1046, 1899485), (2615, 759794), (3661, 542710), (5230, 379897), (7322, 271355), (7753, 256270), (15506, 128135), (18305, 108542), (25627, 77530), (36610, 54271), (38765, 51254)]