79957000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2219

約数の個数: 64

約数和(自身を含む): 192245040

約数和(自身を除く): 112288040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 125, 148, 185, 200, 250, 296, 370, 500, 740, 925, 1000, 1480, 1850, 2161, 3700, 4322, 4625, 7400, 8644, 9250, 10805, 17288, 18500, 21610, 37000, 43220, 54025, 79957, 86440, 108050, 159914, 216100, 270125, 319828, 399785, 432200, 540250, 639656, 799570, 1080500, 1599140, 1998925, 2161000, 3198280, 3997850, 7995700, 9994625, 15991400, 19989250, 39978500, 79957000]

約数ペア:

[(1, 79957000), (2, 39978500), (4, 19989250), (5, 15991400), (8, 9994625), (10, 7995700), (20, 3997850), (25, 3198280), (37, 2161000), (40, 1998925), (50, 1599140), (74, 1080500), (100, 799570), (125, 639656), (148, 540250), (185, 432200), (200, 399785), (250, 319828), (296, 270125), (370, 216100), (500, 159914), (740, 108050), (925, 86440), (1000, 79957), (1480, 54025), (1850, 43220), (2161, 37000), (3700, 21610), (4322, 18500), (4625, 17288), (7400, 10805), (8644, 9250)]