86439100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 206236800

約数和(自身を除く): 119797700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 179, 220, 275, 358, 439, 550, 716, 878, 895, 1100, 1756, 1790, 1969, 2195, 3580, 3938, 4390, 4475, 4829, 7876, 8780, 8950, 9658, 9845, 10975, 17900, 19316, 19690, 21950, 24145, 39380, 43900, 48290, 49225, 78581, 96580, 98450, 120725, 157162, 196900, 241450, 314324, 392905, 482900, 785810, 864391, 1571620, 1728782, 1964525, 3457564, 3929050, 4321955, 7858100, 8643910, 17287820, 21609775, 43219550, 86439100]

約数ペア:

[(1, 86439100), (2, 43219550), (4, 21609775), (5, 17287820), (10, 8643910), (11, 7858100), (20, 4321955), (22, 3929050), (25, 3457564), (44, 1964525), (50, 1728782), (55, 1571620), (100, 864391), (110, 785810), (179, 482900), (220, 392905), (275, 314324), (358, 241450), (439, 196900), (550, 157162), (716, 120725), (878, 98450), (895, 96580), (1100, 78581), (1756, 49225), (1790, 48290), (1969, 43900), (2195, 39380), (3580, 24145), (3938, 21950), (4390, 19690), (4475, 19316), (4829, 17900), (7876, 10975), (8780, 9845), (8950, 9658)]