40403930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{82457}}^1$

素因数の和:82478

約数の個数: 24

約数和(自身を含む): 84601908

約数和(自身を除く): 44197978

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 82457, 164914, 412285, 577199, 824570, 1154398, 2885995, 4040393, 5771990, 8080786, 20201965, 40403930]

約数ペア:

[(1, 40403930), (2, 20201965), (5, 8080786), (7, 5771990), (10, 4040393), (14, 2885995), (35, 1154398), (49, 824570), (70, 577199), (98, 412285), (245, 164914), (490, 82457)]