2178723920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1433371}}^1$

素因数の和:1433403

約数の個数: 40

約数和(自身を含む): 5332143840

約数和(自身を除く): 3153419920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1433371, 2866742, 5733484, 7166855, 11466968, 14333710, 22933936, 27234049, 28667420, 54468098, 57334840, 108936196, 114669680, 136170245, 217872392, 272340490, 435744784, 544680980, 1089361960, 2178723920]

約数ペア:

[(1, 2178723920), (2, 1089361960), (4, 544680980), (5, 435744784), (8, 272340490), (10, 217872392), (16, 136170245), (19, 114669680), (20, 108936196), (38, 57334840), (40, 54468098), (76, 28667420), (80, 27234049), (95, 22933936), (152, 14333710), (190, 11466968), (304, 7166855), (380, 5733484), (760, 2866742), (1520, 1433371)]