97452020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 208631808

約数和(自身を除く): 111179788

約数列:

[1, 2, 4, 5, 10, 20, 97, 191, 194, 263, 382, 388, 485, 526, 764, 955, 970, 1052, 1315, 1910, 1940, 2630, 3820, 5260, 18527, 25511, 37054, 50233, 51022, 74108, 92635, 100466, 102044, 127555, 185270, 200932, 251165, 255110, 370540, 502330, 510220, 1004660, 4872601, 9745202, 19490404, 24363005, 48726010, 97452020]

約数ペア:

[(1, 97452020), (2, 48726010), (4, 24363005), (5, 19490404), (10, 9745202), (20, 4872601), (97, 1004660), (191, 510220), (194, 502330), (263, 370540), (382, 255110), (388, 251165), (485, 200932), (526, 185270), (764, 127555), (955, 102044), (970, 100466), (1052, 92635), (1315, 74108), (1910, 51022), (1940, 50233), (2630, 37054), (3820, 25511), (5260, 18527)]