213300920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108827}}^1$

素因数の和:108852

約数の個数: 48

約数和(自身を含む): 558287640

約数和(自身を除く): 344986720

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, 108827, 217654, 435308, 544135, 761789, 870616, 1088270, 1523578, 2176540, 3047156, 3808945, 4353080, 5332523, 6094312, 7617890, 10665046, 15235780, 21330092, 26662615, 30471560, 42660184, 53325230, 106650460, 213300920]

約数ペア:

[(1, 213300920), (2, 106650460), (4, 53325230), (5, 42660184), (7, 30471560), (8, 26662615), (10, 21330092), (14, 15235780), (20, 10665046), (28, 7617890), (35, 6094312), (40, 5332523), (49, 4353080), (56, 3808945), (70, 3047156), (98, 2176540), (140, 1523578), (196, 1088270), (245, 870616), (280, 761789), (392, 544135), (490, 435308), (980, 217654), (1960, 108827)]