458440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 1052280

約数和(自身を除く): 593840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 157, 292, 314, 365, 584, 628, 730, 785, 1256, 1460, 1570, 2920, 3140, 6280, 11461, 22922, 45844, 57305, 91688, 114610, 229220, 458440]

約数ペア:

[(1, 458440), (2, 229220), (4, 114610), (5, 91688), (8, 57305), (10, 45844), (20, 22922), (40, 11461), (73, 6280), (146, 3140), (157, 2920), (292, 1570), (314, 1460), (365, 1256), (584, 785), (628, 730)]