1917369940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1\times {\mathrm{761}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 4055546880

約数和(自身を除く): 2138176940

約数列:

[1, 2, 4, 5, 10, 20, 263, 479, 526, 761, 958, 1052, 1315, 1522, 1916, 2395, 2630, 3044, 3805, 4790, 5260, 7610, 9580, 15220, 125977, 200143, 251954, 364519, 400286, 503908, 629885, 729038, 800572, 1000715, 1259770, 1458076, 1822595, 2001430, 2519540, 3645190, 4002860, 7290380, 95868497, 191736994, 383473988, 479342485, 958684970, 1917369940]

約数ペア:

[(1, 1917369940), (2, 958684970), (4, 479342485), (5, 383473988), (10, 191736994), (20, 95868497), (263, 7290380), (479, 4002860), (526, 3645190), (761, 2519540), (958, 2001430), (1052, 1822595), (1315, 1458076), (1522, 1259770), (1916, 1000715), (2395, 800572), (2630, 729038), (3044, 629885), (3805, 503908), (4790, 400286), (5260, 364519), (7610, 251954), (9580, 200143), (15220, 125977)]