203019985

素因数分解:

$5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{2753}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 290822400

約数和(自身を除く): 87802415

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 343, 1505, 1715, 2107, 2753, 10535, 13765, 14749, 19271, 73745, 96355, 118379, 134897, 591895, 674485, 828653, 944279, 4143265, 4721395, 5800571, 29002855, 40603997, 203019985]

約数ペア:

[(1, 203019985), (5, 40603997), (7, 29002855), (35, 5800571), (43, 4721395), (49, 4143265), (215, 944279), (245, 828653), (301, 674485), (343, 591895), (1505, 134897), (1715, 118379), (2107, 96355), (2753, 73745), (10535, 19271), (13765, 14749)]