28713790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2753}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 59486400

約数和(自身を除く): 30772610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 2753, 5215, 5506, 10430, 13765, 19271, 27530, 38542, 96355, 192710, 410197, 820394, 2050985, 2871379, 4101970, 5742758, 14356895, 28713790]

約数ペア:

[(1, 28713790), (2, 14356895), (5, 5742758), (7, 4101970), (10, 2871379), (14, 2050985), (35, 820394), (70, 410197), (149, 192710), (298, 96355), (745, 38542), (1043, 27530), (1490, 19271), (2086, 13765), (2753, 10430), (5215, 5506)]