205481360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2801}}^1$

素因数の和:2952

約数の個数: 80

約数和(自身を含む): 550357632

約数和(自身を除く): 344876272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 2801, 3668, 4585, 5240, 5602, 7336, 9170, 10480, 11204, 14005, 14672, 18340, 19607, 22408, 28010, 36680, 39214, 44816, 56020, 73360, 78428, 98035, 112040, 156856, 196070, 224080, 313712, 366931, 392140, 733862, 784280, 1467724, 1568560, 1834655, 2568517, 2935448, 3669310, 5137034, 5870896, 7338620, 10274068, 12842585, 14677240, 20548136, 25685170, 29354480, 41096272, 51370340, 102740680, 205481360]

約数ペア:

[(1, 205481360), (2, 102740680), (4, 51370340), (5, 41096272), (7, 29354480), (8, 25685170), (10, 20548136), (14, 14677240), (16, 12842585), (20, 10274068), (28, 7338620), (35, 5870896), (40, 5137034), (56, 3669310), (70, 2935448), (80, 2568517), (112, 1834655), (131, 1568560), (140, 1467724), (262, 784280), (280, 733862), (524, 392140), (560, 366931), (655, 313712), (917, 224080), (1048, 196070), (1310, 156856), (1834, 112040), (2096, 98035), (2620, 78428), (2801, 73360), (3668, 56020), (4585, 44816), (5240, 39214), (5602, 36680), (7336, 28010), (9170, 22408), (10480, 19607), (11204, 18340), (14005, 14672)]