1219900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1134

約数の個数: 36

約数和(自身を含む): 2890440

約数和(自身を除く): 1670540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1109, 2218, 4436, 5545, 11090, 12199, 22180, 24398, 27725, 48796, 55450, 60995, 110900, 121990, 243980, 304975, 609950, 1219900]

約数ペア:

[(1, 1219900), (2, 609950), (4, 304975), (5, 243980), (10, 121990), (11, 110900), (20, 60995), (22, 55450), (25, 48796), (44, 27725), (50, 24398), (55, 22180), (100, 12199), (110, 11090), (220, 5545), (275, 4436), (550, 2218), (1100, 1109)]