200720408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2657}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 459302400

約数和(自身を除く): 258581992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 266, 284, 497, 532, 568, 994, 1064, 1349, 1988, 2657, 2698, 3976, 5314, 5396, 9443, 10628, 10792, 18599, 18886, 21256, 37198, 37772, 50483, 74396, 75544, 100966, 148792, 188647, 201932, 353381, 377294, 403864, 706762, 754588, 1320529, 1413524, 1509176, 2641058, 2827048, 3584293, 5282116, 7168586, 10564232, 14337172, 25090051, 28674344, 50180102, 100360204, 200720408]

約数ペア:

[(1, 200720408), (2, 100360204), (4, 50180102), (7, 28674344), (8, 25090051), (14, 14337172), (19, 10564232), (28, 7168586), (38, 5282116), (56, 3584293), (71, 2827048), (76, 2641058), (133, 1509176), (142, 1413524), (152, 1320529), (266, 754588), (284, 706762), (497, 403864), (532, 377294), (568, 353381), (994, 201932), (1064, 188647), (1349, 148792), (1988, 100966), (2657, 75544), (2698, 74396), (3976, 50483), (5314, 37772), (5396, 37198), (9443, 21256), (10628, 18886), (10792, 18599)]