222733880

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{6883}}^1$

素因数の和:7703

約数の個数: 32

約数和(自身を含む): 501843600

約数和(自身を除く): 279109720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6472, 6883, 8090, 13766, 16180, 27532, 32360, 34415, 55064, 68830, 137660, 275320, 5568347, 11136694, 22273388, 27841735, 44546776, 55683470, 111366940, 222733880]

約数ペア:

[(1, 222733880), (2, 111366940), (4, 55683470), (5, 44546776), (8, 27841735), (10, 22273388), (20, 11136694), (40, 5568347), (809, 275320), (1618, 137660), (3236, 68830), (4045, 55064), (6472, 34415), (6883, 32360), (8090, 27532), (13766, 16180)]