180239444

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2109

約数の個数: 72

約数和(自身を含む): 410235840

約数和(自身を除く): 229996396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 164, 196, 287, 308, 451, 539, 574, 902, 1078, 1148, 1804, 2009, 2039, 2156, 3157, 4018, 4078, 6314, 8036, 8156, 12628, 14273, 22099, 22429, 28546, 44198, 44858, 57092, 83599, 88396, 89716, 99911, 157003, 167198, 199822, 314006, 334396, 399644, 585193, 628012, 919589, 1099021, 1170386, 1839178, 2198042, 2340772, 3678356, 4096351, 4396084, 6437123, 8192702, 12874246, 16385404, 25748492, 45059861, 90119722, 180239444]

約数ペア:

[(1, 180239444), (2, 90119722), (4, 45059861), (7, 25748492), (11, 16385404), (14, 12874246), (22, 8192702), (28, 6437123), (41, 4396084), (44, 4096351), (49, 3678356), (77, 2340772), (82, 2198042), (98, 1839178), (154, 1170386), (164, 1099021), (196, 919589), (287, 628012), (308, 585193), (451, 399644), (539, 334396), (574, 314006), (902, 199822), (1078, 167198), (1148, 157003), (1804, 99911), (2009, 89716), (2039, 88396), (2156, 83599), (3157, 57092), (4018, 44858), (4078, 44198), (6314, 28546), (8036, 22429), (8156, 22099), (12628, 14273)]