72414440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258623}}^1$

素因数の和:258641

約数の個数: 32

約数和(自身を含む): 186209280

約数和(自身を除く): 113794840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258623, 517246, 1034492, 1293115, 1810361, 2068984, 2586230, 3620722, 5172460, 7241444, 9051805, 10344920, 14482888, 18103610, 36207220, 72414440]

約数ペア:

[(1, 72414440), (2, 36207220), (4, 18103610), (5, 14482888), (7, 10344920), (8, 9051805), (10, 7241444), (14, 5172460), (20, 3620722), (28, 2586230), (35, 2068984), (40, 1810361), (56, 1293115), (70, 1034492), (140, 517246), (280, 258623)]