3944990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 8446032

約数和(自身を除く): 4501042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 97, 98, 166, 194, 245, 415, 485, 490, 581, 679, 830, 970, 1162, 1358, 2905, 3395, 4067, 4753, 5810, 6790, 8051, 8134, 9506, 16102, 20335, 23765, 40255, 40670, 47530, 56357, 80510, 112714, 281785, 394499, 563570, 788998, 1972495, 3944990]

約数ペア:

[(1, 3944990), (2, 1972495), (5, 788998), (7, 563570), (10, 394499), (14, 281785), (35, 112714), (49, 80510), (70, 56357), (83, 47530), (97, 40670), (98, 40255), (166, 23765), (194, 20335), (245, 16102), (415, 9506), (485, 8134), (490, 8051), (581, 6790), (679, 5810), (830, 4753), (970, 4067), (1162, 3395), (1358, 2905)]