6647380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 14731920

約数和(自身を除く): 8084540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 157, 290, 292, 314, 365, 580, 628, 730, 785, 1460, 1570, 2117, 3140, 4234, 4553, 8468, 9106, 10585, 11461, 18212, 21170, 22765, 22922, 42340, 45530, 45844, 57305, 91060, 114610, 229220, 332369, 664738, 1329476, 1661845, 3323690, 6647380]

約数ペア:

[(1, 6647380), (2, 3323690), (4, 1661845), (5, 1329476), (10, 664738), (20, 332369), (29, 229220), (58, 114610), (73, 91060), (116, 57305), (145, 45844), (146, 45530), (157, 42340), (290, 22922), (292, 22765), (314, 21170), (365, 18212), (580, 11461), (628, 10585), (730, 9106), (785, 8468), (1460, 4553), (1570, 4234), (2117, 3140)]