1361800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 3459600

約数和(自身を除く): 2097800

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, 619, 1100, 1238, 2200, 2476, 3095, 4952, 6190, 6809, 12380, 13618, 15475, 24760, 27236, 30950, 34045, 54472, 61900, 68090, 123800, 136180, 170225, 272360, 340450, 680900, 1361800]

約数ペア:

[(1, 1361800), (2, 680900), (4, 340450), (5, 272360), (8, 170225), (10, 136180), (11, 123800), (20, 68090), (22, 61900), (25, 54472), (40, 34045), (44, 30950), (50, 27236), (55, 24760), (88, 15475), (100, 13618), (110, 12380), (200, 6809), (220, 6190), (275, 4952), (440, 3095), (550, 2476), (619, 2200), (1100, 1238)]