213399480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254047}}^1$

素因数の和:254068

約数の個数: 64

約数和(自身を含む): 731658240

約数和(自身を除く): 518258760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 254047, 508094, 762141, 1016188, 1270235, 1524282, 1778329, 2032376, 2540470, 3048564, 3556658, 3810705, 5080940, 5334987, 6097128, 7113316, 7621410, 8891645, 10161880, 10669974, 14226632, 15242820, 17783290, 21339948, 26674935, 30485640, 35566580, 42679896, 53349870, 71133160, 106699740, 213399480]

約数ペア:

[(1, 213399480), (2, 106699740), (3, 71133160), (4, 53349870), (5, 42679896), (6, 35566580), (7, 30485640), (8, 26674935), (10, 21339948), (12, 17783290), (14, 15242820), (15, 14226632), (20, 10669974), (21, 10161880), (24, 8891645), (28, 7621410), (30, 7113316), (35, 6097128), (40, 5334987), (42, 5080940), (56, 3810705), (60, 3556658), (70, 3048564), (84, 2540470), (105, 2032376), (120, 1778329), (140, 1524282), (168, 1270235), (210, 1016188), (280, 762141), (420, 508094), (840, 254047)]