147495220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 315342720

約数和(自身を除く): 167847500

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 214, 314, 428, 439, 535, 628, 785, 878, 1070, 1570, 1756, 2140, 2195, 3140, 4390, 8780, 16799, 33598, 46973, 67196, 68923, 83995, 93946, 137846, 167990, 187892, 234865, 275692, 335980, 344615, 469730, 689230, 939460, 1378460, 7374761, 14749522, 29499044, 36873805, 73747610, 147495220]

約数ペア:

[(1, 147495220), (2, 73747610), (4, 36873805), (5, 29499044), (10, 14749522), (20, 7374761), (107, 1378460), (157, 939460), (214, 689230), (314, 469730), (428, 344615), (439, 335980), (535, 275692), (628, 234865), (785, 187892), (878, 167990), (1070, 137846), (1570, 93946), (1756, 83995), (2140, 68923), (2195, 67196), (3140, 46973), (4390, 33598), (8780, 16799)]