212103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{757513}}^1$

素因数の和:757531

約数の個数: 32

約数和(自身を含む): 545410080

約数和(自身を除く): 333306440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 757513, 1515026, 3030052, 3787565, 5302591, 6060104, 7575130, 10605182, 15150260, 21210364, 26512955, 30300520, 42420728, 53025910, 106051820, 212103640]

約数ペア:

[(1, 212103640), (2, 106051820), (4, 53025910), (5, 42420728), (7, 30300520), (8, 26512955), (10, 21210364), (14, 15150260), (20, 10605182), (28, 7575130), (35, 6060104), (40, 5302591), (56, 3787565), (70, 3030052), (140, 1515026), (280, 757513)]