378973000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{54139}}^1$

素因数の和:54167

約数の個数: 64

約数和(自身を含む): 1013500800

約数和(自身を除く): 634527800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 54139, 108278, 216556, 270695, 378973, 433112, 541390, 757946, 1082780, 1353475, 1515892, 1894865, 2165560, 2706950, 3031784, 3789730, 5413900, 6767375, 7579460, 9474325, 10827800, 13534750, 15158920, 18948650, 27069500, 37897300, 47371625, 54139000, 75794600, 94743250, 189486500, 378973000]

約数ペア:

[(1, 378973000), (2, 189486500), (4, 94743250), (5, 75794600), (7, 54139000), (8, 47371625), (10, 37897300), (14, 27069500), (20, 18948650), (25, 15158920), (28, 13534750), (35, 10827800), (40, 9474325), (50, 7579460), (56, 6767375), (70, 5413900), (100, 3789730), (125, 3031784), (140, 2706950), (175, 2165560), (200, 1894865), (250, 1515892), (280, 1353475), (350, 1082780), (500, 757946), (700, 541390), (875, 433112), (1000, 378973), (1400, 270695), (1750, 216556), (3500, 108278), (7000, 54139)]