203400390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{6780013}}^1$

素因数の和:6780023

約数の個数: 16

約数和(自身を含む): 488161008

約数和(自身を除く): 284760618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 6780013, 13560026, 20340039, 33900065, 40680078, 67800130, 101700195, 203400390]

約数ペア:

[(1, 203400390), (2, 101700195), (3, 67800130), (5, 40680078), (6, 33900065), (10, 20340039), (15, 13560026), (30, 6780013)]