788647940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 1672199424

約数和(自身を除く): 883551484

約数列:

[1, 2, 4, 5, 10, 20, 227, 271, 454, 542, 641, 908, 1084, 1135, 1282, 1355, 2270, 2564, 2710, 3205, 4540, 5420, 6410, 12820, 61517, 123034, 145507, 173711, 246068, 291014, 307585, 347422, 582028, 615170, 694844, 727535, 868555, 1230340, 1455070, 1737110, 2910140, 3474220, 39432397, 78864794, 157729588, 197161985, 394323970, 788647940]

約数ペア:

[(1, 788647940), (2, 394323970), (4, 197161985), (5, 157729588), (10, 78864794), (20, 39432397), (227, 3474220), (271, 2910140), (454, 1737110), (542, 1455070), (641, 1230340), (908, 868555), (1084, 727535), (1135, 694844), (1282, 615170), (1355, 582028), (2270, 347422), (2564, 307585), (2710, 291014), (3205, 246068), (4540, 173711), (5420, 145507), (6410, 123034), (12820, 61517)]