71282540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2243}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 171908352

約数和(自身を除く): 100625812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2243, 2270, 3178, 4486, 4540, 6356, 7945, 8972, 11215, 15701, 15890, 22430, 31402, 31780, 44860, 62804, 78505, 157010, 314020, 509161, 1018322, 2036644, 2545805, 3564127, 5091610, 7128254, 10183220, 14256508, 17820635, 35641270, 71282540]

約数ペア:

[(1, 71282540), (2, 35641270), (4, 17820635), (5, 14256508), (7, 10183220), (10, 7128254), (14, 5091610), (20, 3564127), (28, 2545805), (35, 2036644), (70, 1018322), (140, 509161), (227, 314020), (454, 157010), (908, 78505), (1135, 62804), (1589, 44860), (2243, 31780), (2270, 31402), (3178, 22430), (4486, 15890), (4540, 15701), (6356, 11215), (7945, 8972)]