2439800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 6193800

約数和(自身を除く): 3754000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1109, 2200, 2218, 4436, 5545, 8872, 11090, 12199, 22180, 24398, 27725, 44360, 48796, 55450, 60995, 97592, 110900, 121990, 221800, 243980, 304975, 487960, 609950, 1219900, 2439800]

約数ペア:

[(1, 2439800), (2, 1219900), (4, 609950), (5, 487960), (8, 304975), (10, 243980), (11, 221800), (20, 121990), (22, 110900), (25, 97592), (40, 60995), (44, 55450), (50, 48796), (55, 44360), (88, 27725), (100, 24398), (110, 22180), (200, 12199), (220, 11090), (275, 8872), (440, 5545), (550, 4436), (1100, 2218), (1109, 2200)]