30365860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{216899}}^1$

素因数の和:216915

約数の個数: 24

約数和(自身を含む): 72878400

約数和(自身を除く): 42512540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 216899, 433798, 867596, 1084495, 1518293, 2168990, 3036586, 4337980, 6073172, 7591465, 15182930, 30365860]

約数ペア:

[(1, 30365860), (2, 15182930), (4, 7591465), (5, 6073172), (7, 4337980), (10, 3036586), (14, 2168990), (20, 1518293), (28, 1084495), (35, 867596), (70, 433798), (140, 216899)]