478779340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1847}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 1084450752

約数和(自身を除く): 605671412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 997, 1847, 1994, 3694, 3988, 4985, 7388, 9235, 9970, 12961, 18470, 19940, 24011, 25922, 36940, 48022, 51844, 64805, 96044, 120055, 129610, 240110, 259220, 480220, 1841459, 3682918, 7365836, 9207295, 18414590, 23938967, 36829180, 47877934, 95755868, 119694835, 239389670, 478779340]

約数ペア:

[(1, 478779340), (2, 239389670), (4, 119694835), (5, 95755868), (10, 47877934), (13, 36829180), (20, 23938967), (26, 18414590), (52, 9207295), (65, 7365836), (130, 3682918), (260, 1841459), (997, 480220), (1847, 259220), (1994, 240110), (3694, 129610), (3988, 120055), (4985, 96044), (7388, 64805), (9235, 51844), (9970, 48022), (12961, 36940), (18470, 25922), (19940, 24011)]