1275789940

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{1861}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 2710237824

約数和(自身を除く): 1434447884

約数列:

[1, 2, 4, 5, 10, 20, 151, 227, 302, 454, 604, 755, 908, 1135, 1510, 1861, 2270, 3020, 3722, 4540, 7444, 9305, 18610, 34277, 37220, 68554, 137108, 171385, 281011, 342770, 422447, 562022, 685540, 844894, 1124044, 1405055, 1689788, 2112235, 2810110, 4224470, 5620220, 8448940, 63789497, 127578994, 255157988, 318947485, 637894970, 1275789940]

約数ペア:

[(1, 1275789940), (2, 637894970), (4, 318947485), (5, 255157988), (10, 127578994), (20, 63789497), (151, 8448940), (227, 5620220), (302, 4224470), (454, 2810110), (604, 2112235), (755, 1689788), (908, 1405055), (1135, 1124044), (1510, 844894), (1861, 685540), (2270, 562022), (3020, 422447), (3722, 342770), (4540, 281011), (7444, 171385), (9305, 137108), (18610, 68554), (34277, 37220)]