388889750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 776355840

約数和(自身を除く): 387466090

約数列:

[1, 2, 5, 10, 23, 25, 46, 47, 50, 94, 115, 125, 230, 235, 250, 470, 575, 1081, 1150, 1175, 1439, 2162, 2350, 2875, 2878, 5405, 5750, 5875, 7195, 10810, 11750, 14390, 27025, 33097, 35975, 54050, 66194, 67633, 71950, 135125, 135266, 165485, 179875, 270250, 330970, 338165, 359750, 676330, 827425, 1555559, 1654850, 1690825, 3111118, 3381650, 4137125, 7777795, 8274250, 8454125, 15555590, 16908250, 38888975, 77777950, 194444875, 388889750]

約数ペア:

[(1, 388889750), (2, 194444875), (5, 77777950), (10, 38888975), (23, 16908250), (25, 15555590), (46, 8454125), (47, 8274250), (50, 7777795), (94, 4137125), (115, 3381650), (125, 3111118), (230, 1690825), (235, 1654850), (250, 1555559), (470, 827425), (575, 676330), (1081, 359750), (1150, 338165), (1175, 330970), (1439, 270250), (2162, 179875), (2350, 165485), (2875, 135266), (2878, 135125), (5405, 71950), (5750, 67633), (5875, 66194), (7195, 54050), (10810, 35975), (11750, 33097), (14390, 27025)]