306155920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{78101}}^1$

素因数の和:78128

約数の個数: 60

約数和(自身を含む): 828037404

約数和(自身を除く): 521881484

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 78101, 156202, 312404, 390505, 546707, 624808, 781010, 1093414, 1249616, 1562020, 2186828, 2733535, 3124040, 3826949, 4373656, 5467070, 6248080, 7653898, 8747312, 10934140, 15307796, 19134745, 21868280, 30615592, 38269490, 43736560, 61231184, 76538980, 153077960, 306155920]

約数ペア:

[(1, 306155920), (2, 153077960), (4, 76538980), (5, 61231184), (7, 43736560), (8, 38269490), (10, 30615592), (14, 21868280), (16, 19134745), (20, 15307796), (28, 10934140), (35, 8747312), (40, 7653898), (49, 6248080), (56, 5467070), (70, 4373656), (80, 3826949), (98, 3124040), (112, 2733535), (140, 2186828), (196, 1562020), (245, 1249616), (280, 1093414), (392, 781010), (490, 624808), (560, 546707), (784, 390505), (980, 312404), (1960, 156202), (3920, 78101)]