207918380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 449650656

約数和(自身を除く): 241732276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 227, 410, 454, 820, 908, 1117, 1135, 2234, 2270, 4468, 4540, 5585, 9307, 11170, 18614, 22340, 37228, 45797, 46535, 91594, 93070, 183188, 186140, 228985, 253559, 457970, 507118, 915940, 1014236, 1267795, 2535590, 5071180, 10395919, 20791838, 41583676, 51979595, 103959190, 207918380]

約数ペア:

[(1, 207918380), (2, 103959190), (4, 51979595), (5, 41583676), (10, 20791838), (20, 10395919), (41, 5071180), (82, 2535590), (164, 1267795), (205, 1014236), (227, 915940), (410, 507118), (454, 457970), (820, 253559), (908, 228985), (1117, 186140), (1135, 183188), (2234, 93070), (2270, 91594), (4468, 46535), (4540, 45797), (5585, 37228), (9307, 22340), (11170, 18614)]