495654980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{1301}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 1068306624

約数和(自身を除く): 572651644

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 443, 860, 886, 1301, 1772, 2215, 2602, 4430, 5204, 6505, 8860, 13010, 19049, 26020, 38098, 55943, 76196, 95245, 111886, 190490, 223772, 279715, 380980, 559430, 576343, 1118860, 1152686, 2305372, 2881715, 5763430, 11526860, 24782749, 49565498, 99130996, 123913745, 247827490, 495654980]

約数ペア:

[(1, 495654980), (2, 247827490), (4, 123913745), (5, 99130996), (10, 49565498), (20, 24782749), (43, 11526860), (86, 5763430), (172, 2881715), (215, 2305372), (430, 1152686), (443, 1118860), (860, 576343), (886, 559430), (1301, 380980), (1772, 279715), (2215, 223772), (2602, 190490), (4430, 111886), (5204, 95245), (6505, 76196), (8860, 55943), (13010, 38098), (19049, 26020)]