281868895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 465776640

約数和(自身を除く): 183907745

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 95, 113, 121, 133, 155, 209, 217, 341, 385, 565, 589, 605, 665, 791, 847, 1045, 1085, 1243, 1463, 1705, 2147, 2299, 2387, 2945, 3503, 3751, 3955, 4123, 4235, 6215, 6479, 7315, 8701, 10735, 11495, 11935, 13673, 15029, 16093, 17515, 18755, 20615, 23617, 24521, 26257, 32395, 38533, 43505, 45353, 66557, 68365, 71269, 75145, 80465, 95711, 118085, 122605, 131285, 165319, 192665, 226765, 259787, 269731, 332785, 356345, 423863, 465899, 478555, 498883, 732127, 826595, 1298935, 1348655, 1818509, 2119315, 2329495, 2494415, 2967041, 3660635, 5124889, 8053397, 9092545, 14835205, 25624445, 40266985, 56373779, 281868895]

約数ペア:

[(1, 281868895), (5, 56373779), (7, 40266985), (11, 25624445), (19, 14835205), (31, 9092545), (35, 8053397), (55, 5124889), (77, 3660635), (95, 2967041), (113, 2494415), (121, 2329495), (133, 2119315), (155, 1818509), (209, 1348655), (217, 1298935), (341, 826595), (385, 732127), (565, 498883), (589, 478555), (605, 465899), (665, 423863), (791, 356345), (847, 332785), (1045, 269731), (1085, 259787), (1243, 226765), (1463, 192665), (1705, 165319), (2147, 131285), (2299, 122605), (2387, 118085), (2945, 95711), (3503, 80465), (3751, 75145), (3955, 71269), (4123, 68365), (4235, 66557), (6215, 45353), (6479, 43505), (7315, 38533), (8701, 32395), (10735, 26257), (11495, 24521), (11935, 23617), (13673, 20615), (15029, 18755), (16093, 17515)]