2016521990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4115351}}^1$

素因数の和:4115372

約数の個数: 24

約数和(自身を含む): 4222351152

約数和(自身を除く): 2205829162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4115351, 8230702, 20576755, 28807457, 41153510, 57614914, 144037285, 201652199, 288074570, 403304398, 1008260995, 2016521990]

約数ペア:

[(1, 2016521990), (2, 1008260995), (5, 403304398), (7, 288074570), (10, 201652199), (14, 144037285), (35, 57614914), (49, 41153510), (70, 28807457), (98, 20576755), (245, 8230702), (490, 4115351)]