49419440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1801}}^1$

素因数の和:1835

約数の個数: 80

約数和(自身を含む): 134068800

約数和(自身を除く): 84649360

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, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1801, 1960, 2744, 3430, 3602, 3920, 5488, 6860, 7204, 9005, 12607, 13720, 14408, 18010, 25214, 27440, 28816, 36020, 50428, 63035, 72040, 88249, 100856, 126070, 144080, 176498, 201712, 252140, 352996, 441245, 504280, 617743, 705992, 882490, 1008560, 1235486, 1411984, 1764980, 2470972, 3088715, 3529960, 4941944, 6177430, 7059920, 9883888, 12354860, 24709720, 49419440]

約数ペア:

[(1, 49419440), (2, 24709720), (4, 12354860), (5, 9883888), (7, 7059920), (8, 6177430), (10, 4941944), (14, 3529960), (16, 3088715), (20, 2470972), (28, 1764980), (35, 1411984), (40, 1235486), (49, 1008560), (56, 882490), (70, 705992), (80, 617743), (98, 504280), (112, 441245), (140, 352996), (196, 252140), (245, 201712), (280, 176498), (343, 144080), (392, 126070), (490, 100856), (560, 88249), (686, 72040), (784, 63035), (980, 50428), (1372, 36020), (1715, 28816), (1801, 27440), (1960, 25214), (2744, 18010), (3430, 14408), (3602, 13720), (3920, 12607), (5488, 9005), (6860, 7204)]