78990200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13619}}^1$

素因数の和:13664

約数の個数: 48

約数和(自身を含む): 189999000

約数和(自身を除く): 111008800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 5800, 13619, 27238, 54476, 68095, 108952, 136190, 272380, 340475, 394951, 544760, 680950, 789902, 1361900, 1579804, 1974755, 2723800, 3159608, 3949510, 7899020, 9873775, 15798040, 19747550, 39495100, 78990200]

約数ペア:

[(1, 78990200), (2, 39495100), (4, 19747550), (5, 15798040), (8, 9873775), (10, 7899020), (20, 3949510), (25, 3159608), (29, 2723800), (40, 1974755), (50, 1579804), (58, 1361900), (100, 789902), (116, 680950), (145, 544760), (200, 394951), (232, 340475), (290, 272380), (580, 136190), (725, 108952), (1160, 68095), (1450, 54476), (2900, 27238), (5800, 13619)]