449408590

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1\times {\mathrm{991}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 819590400

約数和(自身を除く): 370181810

約数列:

[1, 2, 5, 10, 101, 202, 449, 505, 898, 991, 1010, 1982, 2245, 4490, 4955, 9910, 45349, 90698, 100091, 200182, 226745, 444959, 453490, 500455, 889918, 1000910, 2224795, 4449590, 44940859, 89881718, 224704295, 449408590]

約数ペア:

[(1, 449408590), (2, 224704295), (5, 89881718), (10, 44940859), (101, 4449590), (202, 2224795), (449, 1000910), (505, 889918), (898, 500455), (991, 453490), (1010, 444959), (1982, 226745), (2245, 200182), (4490, 100091), (4955, 90698), (9910, 45349)]