85410920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43577}}^1$

素因数の和:43602

約数の個数: 48

約数和(自身を含む): 223555140

約数和(自身を除く): 138144220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 43577, 87154, 174308, 217885, 305039, 348616, 435770, 610078, 871540, 1220156, 1525195, 1743080, 2135273, 2440312, 3050390, 4270546, 6100780, 8541092, 10676365, 12201560, 17082184, 21352730, 42705460, 85410920]

約数ペア:

[(1, 85410920), (2, 42705460), (4, 21352730), (5, 17082184), (7, 12201560), (8, 10676365), (10, 8541092), (14, 6100780), (20, 4270546), (28, 3050390), (35, 2440312), (40, 2135273), (49, 1743080), (56, 1525195), (70, 1220156), (98, 871540), (140, 610078), (196, 435770), (245, 348616), (280, 305039), (392, 217885), (490, 174308), (980, 87154), (1960, 43577)]